用Java Socket实现SMTP邮件发送
什么是SMTP?SMTP(Simple Mail Transfer Protocol)即简单邮件传输协议,它是一种提供可靠且有效电子邮件传输的协议。SMTP是建模在FTP文件传输服务上的一种邮件服务,主要用于传输系统之间的邮件信息并提供来信有关的通知。
协议结构
SMTP命令是发送于SMTP主机之间的ASCII信息,下面列举了5个常用SMTP指令
HELO <服务商><域名><换行> 与SMTP服务器握手
MAIL <服务商> FROM:<发件人地址><换行> 传送发件人的邮箱地址
RCPT <服务商> TO:<收件人地址><换行> 传送收件人的邮箱地址
DATA <换行> 发送邮件数据,以新行.结束(包括信头与信体)
QUIT <换行> 与SMTP服务器断开连接
信头与信体
在DATA指令所传送的数据中,信头和信体以一个空行分隔,下面列举了部分常用信头
From: 发件人地址
To: 收件人地址
Subject: 邮件主题
Date: 发信时间
MIME-Version: MIME版本
Content-Type: 内容类型
Content-Transfer-Encoding: 编码方式
X-Priority: 优先级
X-Mailer: 代理发信的客户端
通过Socket发送SMTP邮件
1.Base64
Base64内容传送编码被设计用来把任意序列的8位字节描述为一种不易被人直接识别的形式,它要求把每三个8位的字节转换为四个6位的字节,然后在6位字节的高位补两个0,最后组成四个8位的字节。在发送电子邮件时,服务器认证的用户名和密码需要用Base64编码,附件也需要用Base64编码。这种加密方式并非绝对安全,只能做到让人不能直接看出原本内容而已。
一个用Java实现的Base64的加/解密类
- package org.gameeden.security;
- import java.io.ByteArrayOutputStream;
- /**
- * Base64编码/解码器。
- * @author Sol
- */
- public class Base64
- {
- private final static char[] BASE64_ENCODING_TABLE;
- private final static byte[] BASE64_DECODING_TABLE;
- static
- {
- BASE64_ENCODING_TABLE="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".toCharArray();
- BASE64_DECODING_TABLE=new byte[]
- {
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1,
- -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,
- -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1
- };
- }
- private Base64()
- {
- }
- /**
- * 将数据进行Base64编码。
- * @param data 数据
- * @param offset 数据中的初始偏移量
- * @param length 写入的字节数
- * @return 编码后的字符串
- */
- public final static String encode(byte[] data,int offset,int length)
- {
- if(data==null)
- {
- return null;
- }
- StringBuffer buffer=new StringBuffer();
- int[] temp=new int[3];
- int end=offset+length;
- while(offset<end)
- {
- temp[0]=data[offset++]&255;
- if(offset==data.length)
- {
- buffer.append(BASE64_ENCODING_TABLE[(temp[0]>>>2)&63]);
- buffer.append(BASE64_ENCODING_TABLE[(temp[0]<<4)&63]);
- buffer.append('=');
- buffer.append('=');
- break;
- }
- temp[1]=data[offset++]&255;
- if(offset==data.length)
- {
- buffer.append(BASE64_ENCODING_TABLE[(temp[0]>>>2)&63]);
- buffer.append(BASE64_ENCODING_TABLE[((temp[0]<<4)|(temp[1]>>>4))&63]);
- buffer.append(BASE64_ENCODING_TABLE[(temp[1]<<2)&63]);
- buffer.append('=');
- break;
- }
- temp[2]=data[offset++]&255;
- buffer.append(BASE64_ENCODING_TABLE[(temp[0]>>>2)&63]);
- buffer.append(BASE64_ENCODING_TABLE[((temp[0]<<4)|(temp[1]>>>4))&63]);
- buffer.append(BASE64_ENCODING_TABLE[((temp[1]<<2)|(temp[2]>>>6))&63]);
- buffer.append(BASE64_ENCODING_TABLE[temp[2]&63]);
- }
- return buffer.toString();
- }
- /**
- * 将数据进行Base64编码。
- * @param data 数据
- * @return 编码后的字符串
- */
- public final static String encode(byte[] data)
- {
- return encode(data,0,data.length);
- }
- /**
- * 将字符串进行Base64编码。
- * @param str 字符串
- * @return 编码后的字符串
- */
- public final static String encode(String str)
- {
- return encode(str.getBytes());
- }
- /**
- * 对使用Base64编码的字符串进行解码。
- * @param str 经过编码的字符串
- * @return 解码后的数据
- */
- public final static byte[] decode(String str)
- {
- if(str==null)
- {
- return null;
- }
- ByteArrayOutputStream buffer=new ByteArrayOutputStream();
- byte[] data=str.getBytes();
- int[] temp=new int[4];
- int index=0;
- while(index<data.length)
- {
- do
- {
- temp[0]=BASE64_DECODING_TABLE[data[index++]];
- }while(index<data.length&&temp[0]==-1);
- if(temp[0]==-1)
- {
- break;
- }
- do
- {
- temp[1]=BASE64_DECODING_TABLE[data[index++]];
- }while(index<data.length&&temp[1]==-1);
- if(temp[1]==-1)
- {
- break;
- }
- buffer.write(((temp[0]<<2)&255)|((temp[1]>>>4)&255));
- do
- {
- temp[2]=data[index++];
- if(temp[2]==61)
- {
- return buffer.toByteArray();
- }
- temp[2]=BASE64_DECODING_TABLE[temp[2]];
- }while(index<data.length&&temp[2]==-1);
- if(temp[2]==-1)
- {
- break;
- }
- buffer.write(((temp[1]<<4)&255)|((temp[2]>>>2)&255));
- do
- {
- temp[3]=data[index++];
- if(temp[3]==61)
- {
- return buffer.toByteArray();
- }
- temp[3]=BASE64_DECODING_TABLE[temp[3]];
- }while(index<data.length&&temp[3]==-1);
- if(temp[3]==-1)
- {
- break;
- }
- buffer.write(((temp[2]<<6)&255)|temp[3]);
- }
- return buffer.toByteArray();
- }
- }
package org.gameeden.security; import java.io.ByteArrayOutputStream; /** * Base64编码/解码器。 * @author Sol */ public class Base64 { private final static char[] BASE64_ENCODING_TABLE; private final static byte[] BASE64_DECODING_TABLE; static { BASE64_ENCODING_TABLE="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".toCharArray(); BASE64_DECODING_TABLE=new byte[] { -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-1,-1,-1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1, -1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1 }; } private Base64() { } /** * 将数据进行Base64编码。 * @param data 数据 * @param offset 数据中的初始偏移量 * @param length 写入的字节数 * @return 编码后的字符串 */ public final static String encode(byte[] data,int offset,int length) { if(data==null) { return null; } StringBuffer buffer=new StringBuffer(); int[] temp=new int[3]; int end=offset+length; while(offset<end) { temp[0]=data[offset++]&255; if(offset==data.length) { buffer.append(BASE64_ENCODING_TABLE[(temp[0]>>>2)&63]); buffer.append(BASE64_ENCODING_TABLE[(temp[0]<<4)&63]); buffer.append('='); buffer.append('='); break; } temp[1]=data[offset++]&255; if(offset==data.length) { buffer.append(BASE64_ENCODING_TABLE[(temp[0]>>>2)&63]); buffer.append(BASE64_ENCODING_TABLE[((temp[0]<<4)|(temp[1]>>>4))&63]); buffer.append(BASE64_ENCODING_TABLE[(temp[1]<<2)&63]); buffer.append('='); break; } temp[2]=data[offset++]&255; buffer.append(BASE64_ENCODING_TABLE[(temp[0]>>>2)&63]); buffer.append(BASE64_ENCODING_TABLE[((temp[0]<<4)|(temp[1]>>>4))&63]); buffer.append(BASE64_ENCODING_TABLE[((temp[1]<<2)|(temp[2]>>>6))&63]); buffer.append(BASE64_ENCODING_TABLE[temp[2]&63]); } return buffer.toString(); } /** * 将数据进行Base64编码。 * @param data 数据 * @return 编码后的字符串 */ public final static String encode(byte[] data) { return encode(data,0,data.length); } /** * 将字符串进行Base64编码。 * @param str 字符串 * @return 编码后的字符串 */ public final static String encode(String str) { return encode(str.getBytes()); } /** * 对使用Base64编码的字符串进行解码。 * @param str 经过编码的字符串 * @return 解码后的数据 */ public final static byte[] decode(String str) { if(str==null) { return null; } ByteArrayOutputStream buffer=new ByteArrayOutputStream(); byte[] data=str.getBytes(); int[] temp=new int[4]; int index=0; while(index<data.length) { do { temp[0]=BASE64_DECODING_TABLE[data[index++]]; }while(index<data.length&&temp[0]==-1); if(temp[0]==-1) { break; } do { temp[1]=BASE64_DECODING_TABLE[data[index++]]; }while(index<data.length&&temp[1]==-1); if(temp[1]==-1) { break; } buffer.write(((temp[0]<<2)&255)|((temp[1]>>>4)&255)); do { temp[2]=data[index++]; if(temp[2]==61) { return buffer.toByteArray(); } temp[2]=BASE64_DECODING_TABLE[temp[2]]; }while(index<data.length&&temp[2]==-1); if(temp[2]==-1) { break; } buffer.write(((temp[1]<<4)&255)|((temp[2]>>>2)&255)); do { temp[3]=data[index++]; if(temp[3]==61) { return buffer.toByteArray(); } temp[3]=BASE64_DECODING_TABLE[temp[3]]; }while(index<data.length&&temp[3]==-1); if(temp[3]==-1) { break; } buffer.write(((temp[2]<<6)&255)|temp[3]); } return buffer.toByteArray(); } }
2.MIME类型
MIME意为多目Internet邮件扩展,它设计的最初目的是为了在发送电子邮件时附加多媒体数据,让邮件客户程序能根据其类型进行处理。每个MIME类型由两部分组成,前面是数据的大类别,后面为具体的种类。例如:image/bmp、image/jpeg、audio/mpeg
一个用于获取各种后缀名所对应MIME类型的工具类(MIME类型列表本来是存储在XML文件中的,此类的作用是读取XML中的数据,由于本文并不打算介绍XML解析,所以直接将数据写到了代码里)
- package org.gameeden.mail;
- import java.util.Hashtable;
- /**
- * 用于获得MIME类型的工具类。
- * @author Sol
- * @since 1.5
- */
- public final class MimeTypeFactory
- {
- private final static Hashtable<String,String> mimeTypes;
- static
- {
- mimeTypes=new Hashtable<String,String>();
- mimeTypes.put("*","application/octet-stream");
- mimeTypes.put("323","text/h323");
- mimeTypes.put("acx","application/internet-property-stream");
- mimeTypes.put("ai","application/postscript");
- mimeTypes.put("aif","audio/x-aiff");
- mimeTypes.put("aifc","audio/x-aiff");
- mimeTypes.put("aiff","audio/x-aiff");
- mimeTypes.put("asf","video/x-ms-asf");
- mimeTypes.put("asr","video/x-ms-asf");
- mimeTypes.put("asx","video/x-ms-asf");
- mimeTypes.put("au","audio/basic");
- mimeTypes.put("avi","video/x-msvideo");
- mimeTypes.put("axs","application/olescript");
- mimeTypes.put("bas","text/plain");
- mimeTypes.put("bcpio","application/x-bcpio");
- mimeTypes.put("bin","application/octet-stream");
- mimeTypes.put("bmp","image/bmp");
- mimeTypes.put("c","text/plain");
- mimeTypes.put("cat","application/vnd.ms-pkiseccat");
- mimeTypes.put("cdf","application/x-cdf");
- mimeTypes.put("cer","application/x-x509-ca-cert");
- mimeTypes.put("class","application/octet-stream");
- mimeTypes.put("clp","application/x-msclip");
- mimeTypes.put("cmx","image/x-cmx");
- mimeTypes.put("cod","image/cis-cod");
- mimeTypes.put("cpio","application/x-cpio");
- mimeTypes.put("crd","application/x-mscardfile");
- mimeTypes.put("crl","application/pkix-crl");
- mimeTypes.put("crt","application/x-x509-ca-cert");
- mimeTypes.put("csh","application/x-csh");
- mimeTypes.put("css","text/css");
- mimeTypes.put("dcr","application/x-director");
- mimeTypes.put("der","application/x-x509-ca-cert");
- mimeTypes.put("dir","application/x-director");
- mimeTypes.put("dll","application/x-msdownload");
- mimeTypes.put("dms","application/octet-stream");
- mimeTypes.put("doc","application/msword");
- mimeTypes.put("dot","application/msword");
- mimeTypes.put("dvi","application/x-dvi");
- mimeTypes.put("dxr","application/x-director");
- mimeTypes.put("eps","application/postscript");
- mimeTypes.put("etx","text/x-setext");
- mimeTypes.put("evy","application/envoy");
- mimeTypes.put("exe","application/octet-stream");
- mimeTypes.put("fif","application/fractals");
- mimeTypes.put("flr","x-world/x-vrml");
- mimeTypes.put("gif","image/gif");
- mimeTypes.put("gtar","application/x-gtar");
- mimeTypes.put("gz","application/x-gzip");
- mimeTypes.put("h","text/plain");
- mimeTypes.put("hdf","application/x-hdf");
- mimeTypes.put("hlp","application/winhlp");
- mimeTypes.put("hqx","application/mac-binhex40");
- mimeTypes.put("hta","application/hta");
- mimeTypes.put("htc","text/x-component");
- mimeTypes.put("htm","text/html");
- mimeTypes.put("html","text/html");
- mimeTypes.put("htt","text/webviewhtml");
- mimeTypes.put("ico","image/x-icon");
- mimeTypes.put("ief","image/ief");
- mimeTypes.put("iii","application/x-iphone");
- mimeTypes.put("ins","application/x-internet-signup");
- mimeTypes.put("isp","application/x-internet-signup");
- mimeTypes.put("jfif","image/pipeg");
- mimeTypes.put("jpe","image/jpeg");
- mimeTypes.put("jpeg","image/jpeg");
- mimeTypes.put("jpg","image/jpeg");
- mimeTypes.put("js","application/x-javascript");
- mimeTypes.put("latex","application/x-latex");
- mimeTypes.put("lha","application/octet-stream");
- mimeTypes.put("lsf","video/x-la-asf");
- mimeTypes.put("lsx","video/x-la-asf");
- mimeTypes.put("lzh","application/octet-stream");
- mimeTypes.put("m13","application/x-msmediaview");
- mimeTypes.put("m14","application/x-msmediaview");
- mimeTypes.put("m3u","audio/x-mpegurl");
- mimeTypes.put("man","application/x-troff-man");
- mimeTypes.put("mdb","application/x-msaccess");
- mimeTypes.put("me","application/x-troff-me");
- mimeTypes.put("mht","message/rfc822");
- mimeTypes.put("mhtml","message/rfc822");
- mimeTypes.put("mid","audio/mid");
- mimeTypes.put("mny","application/x-msmoney");
- mimeTypes.put("mov","video/quicktime");
- mimeTypes.put("movie","video/x-sgi-movie");
- mimeTypes.put("mp2","video/mpeg");
- mimeTypes.put("mp3","audio/mpeg");
- mimeTypes.put("mpa","video/mpeg");
- mimeTypes.put("mpe","video/mpeg");
- mimeTypes.put("mpeg","video/mpeg");
- mimeTypes.put("mpg","video/mpeg");
- mimeTypes.put("mpp","application/vnd.ms-project");
- mimeTypes.put("mpv2","video/mpeg");
- mimeTypes.put("ms","application/x-troff-ms");
- mimeTypes.put("mvb","application/x-msmediaview");
- mimeTypes.put("nws","message/rfc822");
- mimeTypes.put("oda","application/oda");
- mimeTypes.put("p10","application/pkcs10");
- mimeTypes.put("p12","application/x-pkcs12");
- mimeTypes.put("p7b","application/x-pkcs7-certificates");
- mimeTypes.put("p7c","application/x-pkcs7-mime");
- mimeTypes.put("p7m","application/x-pkcs7-mime");
- mimeTypes.put("p7r","application/x-pkcs7-certreqresp");
- mimeTypes.put("p7s","application/x-pkcs7-signature");
- mimeTypes.put("pbm","image/x-portable-bitmap");
- mimeTypes.put("pdf","application/pdf");
- mimeTypes.put("pfx","application/x-pkcs12");
- mimeTypes.put("pgm","image/x-portable-graymap");
- mimeTypes.put("pko","application/ynd.ms-pkipko");
- mimeTypes.put("pma","application/x-perfmon");
- mimeTypes.put("pmc","application/x-perfmon");
- mimeTypes.put("pml","application/x-perfmon");
- mimeTypes.put("pmr","application/x-perfmon");
- mimeTypes.put("pmw","application/x-perfmon");
- mimeTypes.put("pnm","image/x-portable-anymap");
- mimeTypes.put("pot,","application/vnd.ms-powerpoint");
- mimeTypes.put("ppm","image/x-portable-pixmap");
- mimeTypes.put("pps","application/vnd.ms-powerpoint");
- mimeTypes.put("ppt","application/vnd.ms-powerpoint");
- mimeTypes.put("prf","application/pics-rules");
- mimeTypes.put("ps","application/postscript");
- mimeTypes.put("pub","application/x-mspublisher");
- mimeTypes.put("qt","video/quicktime");
- mimeTypes.put("ra","audio/x-pn-realaudio");
- mimeTypes.put("ram","audio/x-pn-realaudio");
- mimeTypes.put("ras","image/x-cmu-raster");
- mimeTypes.put("rgb","image/x-rgb");
- mimeTypes.put("rmi","audio/mid");
- mimeTypes.put("roff","application/x-troff");
- mimeTypes.put("rtf","application/rtf");
- mimeTypes.put("rtx","text/richtext");
- mimeTypes.put("scd","application/x-msschedule");
- mimeTypes.put("sct","text/scriptlet");
- mimeTypes.put("setpay","application/set-payment-initiation");
- mimeTypes.put("setreg","application/set-registration-initiation");
- mimeTypes.put("sh","application/x-sh");
- mimeTypes.put("shar","application/x-shar");
- mimeTypes.put("sit","application/x-stuffit");
- mimeTypes.put("snd","audio/basic");
- mimeTypes.put("spc","application/x-pkcs7-certificates");
- mimeTypes.put("spl","application/futuresplash");
- mimeTypes.put("src","application/x-wais-source");
- mimeTypes.put("sst","application/vnd.ms-pkicertstore");
- mimeTypes.put("stl","application/vnd.ms-pkistl");
- mimeTypes.put("stm","text/html");
- mimeTypes.put("sv4cpio","application/x-sv4cpio");
- mimeTypes.put("sv4crc","application/x-sv4crc");
- mimeTypes.put("t","application/x-troff");
- mimeTypes.put("tar","application/x-tar");
- mimeTypes.put("tcl","application/x-tcl");
- mimeTypes.put("tex","application/x-tex");
- mimeTypes.put("texi","application/x-texinfo");
- mimeTypes.put("texinfo","application/x-texinfo");
- mimeTypes.put("tgz","application/x-compressed");
- mimeTypes.put("tif","image/tiff");
- mimeTypes.put("tiff","image/tiff");
- mimeTypes.put("tr","application/x-troff");
- mimeTypes.put("trm","application/x-msterminal");
- mimeTypes.put("tsv","text/tab-separated-values");
- mimeTypes.put("txt","text/plain");
- mimeTypes.put("uls","text/iuls");
- mimeTypes.put("ustar","application/x-ustar");
- mimeTypes.put("vcf","text/x-vcard");
- mimeTypes.put("vrml","x-world/x-vrml");
- mimeTypes.put("wav","audio/x-wav");
- mimeTypes.put("wcm","application/vnd.ms-works");
- mimeTypes.put("wdb","application/vnd.ms-works");
- mimeTypes.put("wks","application/vnd.ms-works");
- mimeTypes.put("wmf","application/x-msmetafile");
- mimeTypes.put("wps","application/vnd.ms-works");
- mimeTypes.put("wri","application/x-mswrite");
- mimeTypes.put("wrl","x-world/x-vrml");
- mimeTypes.put("wrz","x-world/x-vrml");
- mimeTypes.put("xaf","x-world/x-vrml");
- mimeTypes.put("xbm","image/x-xbitmap");
- mimeTypes.put("xla","application/vnd.ms-excel");
- mimeTypes.put("xlc","application/vnd.ms-excel");
- mimeTypes.put("xlm","application/vnd.ms-excel");
- mimeTypes.put("xls","application/vnd.ms-excel");
- mimeTypes.put("xlt","application/vnd.ms-excel");
- mimeTypes.put("xlw","application/vnd.ms-excel");
- mimeTypes.put("xof","x-world/x-vrml");
- mimeTypes.put("xpm","image/x-xpixmap");
- mimeTypes.put("xwd","image/x-xwindowdump");
- mimeTypes.put("z","application/x-compress");
- mimeTypes.put("zip","application/zip");
- }
- private MimeTypeFactory()
- {
- }
- /**
- * 设置MIME类型。
- * @param postfix 文件后缀名
- * @param mimeType MIME类型
- * @return 以前的MIME类型
- */
- public static String setMimeType(String postfix,String mimeType)
- {
- Object result=mimeTypes.put(postfix.toLowerCase(),mimeType);
- return result==null?(String)getMimeType("*"):(String)result;
- }
- /**
- * 获得MIME类型。
- * @param postfix 文件后缀名
- * @return MIME类型
- */
- public static String getMimeType(String postfix)
- {
- Object result=mimeTypes.get(postfix.toLowerCase());
- return result==null?(String)getMimeType("*"):(String)result;
- }
- }
package org.gameeden.mail; import java.util.Hashtable; /** * 用于获得MIME类型的工具类。 * @author Sol * @since 1.5 */ public final class MimeTypeFactory { private final static Hashtable<String,String> mimeTypes; static { mimeTypes=new Hashtable<String,String>(); mimeTypes.put("*","application/octet-stream"); mimeTypes.put("323","text/h323"); mimeTypes.put("acx","application/internet-property-stream"); mimeTypes.put("ai","application/postscript"); mimeTypes.put("aif","audio/x-aiff"); mimeTypes.put("aifc","audio/x-aiff"); mimeTypes.put("aiff","audio/x-aiff"); mimeTypes.put("asf","video/x-ms-asf"); mimeTypes.put("asr","video/x-ms-asf"); mimeTypes.put("asx","video/x-ms-asf"); mimeTypes.put("au","audio/basic"); mimeTypes.put("avi","video/x-msvideo"); mimeTypes.put("axs","application/olescript"); mimeTypes.put("bas","text/plain"); mimeTypes.put("bcpio","application/x-bcpio"); mimeTypes.put("bin","application/octet-stream"); mimeTypes.put("bmp","image/bmp"); mimeTypes.put("c","text/plain"); mimeTypes.put("cat","application/vnd.ms-pkiseccat"); mimeTypes.put("cdf","application/x-cdf"); mimeTypes.put("cer","application/x-x509-ca-cert"); mimeTypes.put("class","application/octet-stream"); mimeTypes.put("clp","application/x-msclip"); mimeTypes.put("cmx","image/x-cmx"); mimeTypes.put("cod","image/cis-cod"); mimeTypes.put("cpio","application/x-cpio"); mimeTypes.put("crd","application/x-mscardfile"); mimeTypes.put("crl","application/pkix-crl"); mimeTypes.put("crt","application/x-x509-ca-cert"); mimeTypes.put("csh","application/x-csh"); mimeTypes.put("css","text/css"); mimeTypes.put("dcr","application/x-director"); mimeTypes.put("der","application/x-x509-ca-cert"); mimeTypes.put("dir","application/x-director"); mimeTypes.put("dll","application/x-msdownload"); mimeTypes.put("dms","application/octet-stream"); mimeTypes.put("doc","application/msword"); mimeTypes.put("dot","application/msword"); mimeTypes.put("dvi","application/x-dvi"); mimeTypes.put("dxr","application/x-director"); mimeTypes.put("eps","application/postscript"); mimeTypes.put("etx","text/x-setext"); mimeTypes.put("evy","application/envoy"); mimeTypes.put("exe","application/octet-stream"); mimeTypes.put("fif","application/fractals"); mimeTypes.put("flr","x-world/x-vrml"); mimeTypes.put("gif","image/gif"); mimeTypes.put("gtar","application/x-gtar"); mimeTypes.put("gz","application/x-gzip"); mimeTypes.put("h","text/plain"); mimeTypes.put("hdf","application/x-hdf"); mimeTypes.put("hlp","application/winhlp"); mimeTypes.put("hqx","application/mac-binhex40"); mimeTypes.put("hta","application/hta"); mimeTypes.put("htc","text/x-component"); mimeTypes.put("htm","text/html"); mimeTypes.put("html","text/html"); mimeTypes.put("htt","text/webviewhtml"); mimeTypes.put("ico","image/x-icon"); mimeTypes.put("ief","image/ief"); mimeTypes.put("iii","application/x-iphone"); mimeTypes.put("ins","application/x-internet-signup"); mimeTypes.put("isp","application/x-internet-signup"); mimeTypes.put("jfif","image/pipeg"); mimeTypes.put("jpe","image/jpeg"); mimeTypes.put("jpeg","image/jpeg"); mimeTypes.put("jpg","image/jpeg"); mimeTypes.put("js","application/x-javascript"); mimeTypes.put("latex","application/x-latex"); mimeTypes.put("lha","application/octet-stream"); mimeTypes.put("lsf","video/x-la-asf"); mimeTypes.put("lsx","video/x-la-asf"); mimeTypes.put("lzh","application/octet-stream"); mimeTypes.put("m13","application/x-msmediaview"); mimeTypes.put("m14","application/x-msmediaview"); mimeTypes.put("m3u","audio/x-mpegurl"); mimeTypes.put("man","application/x-troff-man"); mimeTypes.put("mdb","application/x-msaccess"); mimeTypes.put("me","application/x-troff-me"); mimeTypes.put("mht","message/rfc822"); mimeTypes.put("mhtml","message/rfc822"); mimeTypes.put("mid","audio/mid"); mimeTypes.put("mny","application/x-msmoney"); mimeTypes.put("mov","video/quicktime"); mimeTypes.put("movie","video/x-sgi-movie"); mimeTypes.put("mp2","video/mpeg"); mimeTypes.put("mp3","audio/mpeg"); mimeTypes.put("mpa","video/mpeg"); mimeTypes.put("mpe","video/mpeg"); mimeTypes.put("mpeg","video/mpeg"); mimeTypes.put("mpg","video/mpeg"); mimeTypes.put("mpp","application/vnd.ms-project"); mimeTypes.put("mpv2","video/mpeg"); mimeTypes.put("ms","application/x-troff-ms"); mimeTypes.put("mvb","application/x-msmediaview"); mimeTypes.put("nws","message/rfc822"); mimeTypes.put("oda","application/oda"); mimeTypes.put("p10","application/pkcs10"); mimeTypes.put("p12","application/x-pkcs12"); mimeTypes.put("p7b","application/x-pkcs7-certificates"); mimeTypes.put("p7c","application/x-pkcs7-mime"); mimeTypes.put("p7m","application/x-pkcs7-mime"); mimeTypes.put("p7r","application/x-pkcs7-certreqresp"); mimeTypes.put("p7s","application/x-pkcs7-signature"); mimeTypes.put("pbm","image/x-portable-bitmap"); mimeTypes.put("pdf","application/pdf"); mimeTypes.put("pfx","application/x-pkcs12"); mimeTypes.put("pgm","image/x-portable-graymap"); mimeTypes.put("pko","application/ynd.ms-pkipko"); mimeTypes.put("pma","application/x-perfmon"); mimeTypes.put("pmc","application/x-perfmon"); mimeTypes.put("pml","application/x-perfmon"); mimeTypes.put("pmr","application/x-perfmon"); mimeTypes.put("pmw","application/x-perfmon"); mimeTypes.put("pnm","image/x-portable-anymap"); mimeTypes.put("pot,","application/vnd.ms-powerpoint"); mimeTypes.put("ppm","image/x-portable-pixmap"); mimeTypes.put("pps","application/vnd.ms-powerpoint"); mimeTypes.put("ppt","application/vnd.ms-powerpoint"); mimeTypes.put("prf","application/pics-rules"); mimeTypes.put("ps","application/postscript"); mimeTypes.put("pub","application/x-mspublisher"); mimeTypes.put("qt","video/quicktime"); mimeTypes.put("ra","audio/x-pn-realaudio"); mimeTypes.put("ram","audio/x-pn-realaudio"); mimeTypes.put("ras","image/x-cmu-raster"); mimeTypes.put("rgb","image/x-rgb"); mimeTypes.put("rmi","audio/mid"); mimeTypes.put("roff","application/x-troff"); mimeTypes.put("rtf","application/rtf"); mimeTypes.put("rtx","text/richtext"); mimeTypes.put("scd","application/x-msschedule"); mimeTypes.put("sct","text/scriptlet"); mimeTypes.put("setpay","application/set-payment-initiation"); mimeTypes.put("setreg","application/set-registration-initiation"); mimeTypes.put("sh","application/x-sh"); mimeTypes.put("shar","application/x-shar"); mimeTypes.put("sit","application/x-stuffit"); mimeTypes.put("snd","audio/basic"); mimeTypes.put("spc","application/x-pkcs7-certificates"); mimeTypes.put("spl","application/futuresplash"); mimeTypes.put("src","application/x-wais-source"); mimeTypes.put("sst","application/vnd.ms-pkicertstore"); mimeTypes.put("stl","application/vnd.ms-pkistl"); mimeTypes.put("stm","text/html"); mimeTypes.put("sv4cpio","application/x-sv4cpio"); mimeTypes.put("sv4crc","application/x-sv4crc"); mimeTypes.put("t","application/x-troff"); mimeTypes.put("tar","application/x-tar"); mimeTypes.put("tcl","application/x-tcl"); mimeTypes.put("tex","application/x-tex"); mimeTypes.put("texi","application/x-texinfo"); mimeTypes.put("texinfo","application/x-texinfo"); mimeTypes.put("tgz","application/x-compressed"); mimeTypes.put("tif","image/tiff"); mimeTypes.put("tiff","image/tiff"); mimeTypes.put("tr","application/x-troff"); mimeTypes.put("trm","application/x-msterminal"); mimeTypes.put("tsv","text/tab-separated-values"); mimeTypes.put("txt","text/plain"); mimeTypes.put("uls","text/iuls"); mimeTypes.put("ustar","application/x-ustar"); mimeTypes.put("vcf","text/x-vcard"); mimeTypes.put("vrml","x-world/x-vrml"); mimeTypes.put("wav","audio/x-wav"); mimeTypes.put("wcm","application/vnd.ms-works"); mimeTypes.put("wdb","application/vnd.ms-works"); mimeTypes.put("wks","application/vnd.ms-works"); mimeTypes.put("wmf","application/x-msmetafile"); mimeTypes.put("wps","application/vnd.ms-works"); mimeTypes.put("wri","application/x-mswrite"); mimeTypes.put("wrl","x-world/x-vrml"); mimeTypes.put("wrz","x-world/x-vrml"); mimeTypes.put("xaf","x-world/x-vrml"); mimeTypes.put("xbm","image/x-xbitmap"); mimeTypes.put("xla","application/vnd.ms-excel"); mimeTypes.put("xlc","application/vnd.ms-excel"); mimeTypes.put("xlm","application/vnd.ms-excel"); mimeTypes.put("xls","application/vnd.ms-excel"); mimeTypes.put("xlt","application/vnd.ms-excel"); mimeTypes.put("xlw","application/vnd.ms-excel"); mimeTypes.put("xof","x-world/x-vrml"); mimeTypes.put("xpm","image/x-xpixmap"); mimeTypes.put("xwd","image/x-xwindowdump"); mimeTypes.put("z","application/x-compress"); mimeTypes.put("zip","application/zip"); } private MimeTypeFactory() { } /** * 设置MIME类型。 * @param postfix 文件后缀名 * @param mimeType MIME类型 * @return 以前的MIME类型 */ public static String setMimeType(String postfix,String mimeType) { Object result=mimeTypes.put(postfix.toLowerCase(),mimeType); return result==null?(String)getMimeType("*"):(String)result; } /** * 获得MIME类型。 * @param postfix 文件后缀名 * @return MIME类型 */ public static String getMimeType(String postfix) { Object result=mimeTypes.get(postfix.toLowerCase()); return result==null?(String)getMimeType("*"):(String)result; } }
3.SMTP邮件发送实例
日志管理器
- package org.gameeden.util;
- /**
- * 日志管理器。
- * @author Sol
- */
- public interface LogManager
- {
- /**
- * 输出。
- * @param info 信息
- */
- public void output(String info);
- }
package org.gameeden.util; /** * 日志管理器。 * @author Sol */ public interface LogManager { /** * 输出。 * @param info 信息 */ public void output(String info); }
用Socket实现的SMTP邮件发送类
- package org.gameeden.mail;
- import java.io.File;
- import java.io.FileNotFoundException;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.OutputStream;
- import java.io.RandomAccessFile;
- import java.net.Socket;
- import java.net.SocketTimeoutException;
- import java.nio.charset.Charset;
- import java.text.SimpleDateFormat;
- import java.util.ArrayList;
- import java.util.Date;
- import java.util.Hashtable;
- import java.util.Locale;
- import java.util.regex.Pattern;
- import javax.naming.NamingEnumeration;
- import javax.naming.NamingException;
- import javax.naming.directory.InitialDirContext;
- import org.gameeden.security.Base64;
- import org.gameeden.util.LogManager;
- /**
- * SMTP邮件发送系统。
- *
- *
- * 发件人和收件人的正确格式如下:
- *
- * 例1: "Sol"<[email protected]>
- * 例2: Sol<[email protected]>
- * 例3: <[email protected]>
- * 例4: [email protected]
- *
- * @author Sol
- * @since 1.5
- */
- public final class SmtpMailSender
- {
- /**
- * 发送成功的常量。
- */
- public final static boolean SUCCESSFUL=true;
- /**
- * 发送失败的常量。
- */
- public final static boolean FAILED=false;
- private final static int PORT=25;//服务器端口(SMTP服务器和邮件接收服务器的端口均为25)
- private final static int RETRY=3;//当连接SMTP服务器失败后尝试重新连接的次数(仅用于发送ESMTP邮件)
- private final static int INTERVAL=1000;//当连接SMTP服务器失败后重新连接的时间间隔(仅用于发送ESMTP邮件)
- private final static int TIMEOUT=10000;//网络连接的超时时间
- private final static String BOUNDARY;//MIME分格符
- private final static String CHARSET;//虚拟机的默认编码
- private final static Pattern PATTERN;//用于效验邮箱地址的正确性
- private static InitialDirContext dirContext;//用于查询DNS记录
- private final ArrayList<LogManager> logManager;//日志管理器
- private boolean isEsmtp;//发送类型
- private String smtp;//SMTP服务器地址(仅用于发送ESMTP邮件)
- private String user;//用户名(仅用于发送ESMTP邮件)
- private String password;//密码(仅用于发送ESMTP邮件)
- private String sender;//发件人名字
- private String senderAddress;//发件人的E-Mail地址
- static
- {
- BOUNDARY="Boundary-=_hMbeqwnGNoWeLsRMeKTIPeofyStu";
- CHARSET=Charset.defaultCharset().displayName();
- PATTERN=Pattern.compile(".+@[^.@]+(\\.[^.@]+)+$");//此处放弃了传统匹配方式,这是为了兼容非英文域名的电子邮箱
- Hashtable<String,String> hashtable=new Hashtable<String,String>();
- hashtable.put("java.naming.factory.initial","com.sun.jndi.dns.DnsContextFactory");
- try
- {
- dirContext=new InitialDirContext(hashtable);
- }
- catch(NamingException e)
- {
- }
- }
- private SmtpMailSender(String from)
- {
- if(from==null)
- {
- throw new IllegalArgumentException("参数from不能为null。");
- }
- int leftSign=(from=from.trim()).charAt(from.length()-1)=='>'?from.lastIndexOf('<'):-1;
- senderAddress=leftSign>-1?from.substring(leftSign+1,from.length()-1).trim():from;
- if(!PATTERN.matcher(senderAddress).find())
- {
- throw new IllegalArgumentException("参数from不正确。");
- }
- sender=leftSign>-1?from.substring(0,leftSign).trim():null;
- logManager=new ArrayList<LogManager>();
- isEsmtp=false;
- if(sender!=null)
- {
- if(sender.length()==0)
- {
- sender=null;
- }
- else if(sender.charAt(0)=='"'&&sender.charAt(sender.length()-1)=='"')
- {
- sender=sender.substring(1,sender.length()-1).trim();
- }
- }
- }
- private SmtpMailSender(String address,String from,String user,String password)
- {
- this(from);
- isEsmtp=true;
- this.smtp=address;
- this.user=Base64.encode(user.getBytes());
- this.password=Base64.encode(password.getBytes());
- }
- /**
- * 创建SMTP邮件发送系统实例。
- * @param from 发件人
- * @return SMTP邮件发送系统的实例
- * @throws IllegalArgumentException 如果参数from为null或格式不正确
- */
- public static SmtpMailSender createSmtpMailSender(String from) throws IllegalArgumentException
- {
- return new SmtpMailSender(from);
- }
- /**
- * 创建ESMTP邮件发送系统实例。
- * @param smtp SMTP服务器地址
- * @param from 发件人
- * @param user 用户名
- * @param password 密码
- * @return SMTP邮件发送系统的实例
- * @throws IllegalArgumentException 如果参数from为null或格式不正确
- */
- public static SmtpMailSender createESmtpMailSender(String smtp,String from,String user,String password) throws IllegalArgumentException
- {
- return new SmtpMailSender(smtp,from,user,password);
- }
- /**
- * 发送邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @param attachments 附件
- * @param isHtml 使用网页形式发送
- * @param isUrgent 紧急邮件
- * @return 是否发送成功
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean sendMail(String to,String subject,String content,File[] attachments,boolean isHtml,boolean isUrgent) throws IllegalArgumentException
- {
- if(to==null)
- {
- throw new IllegalArgumentException("参数to不能为null。");
- }
- int leftSign=(to=to.trim()).charAt(to.length()-1)=='>'?to.lastIndexOf('<'):-1;
- String addresseeAddress=leftSign>-1?to.substring(leftSign+1,to.length()-1).trim():to;//收件人的E-Mail地址
- if(!PATTERN.matcher(addresseeAddress).find())
- {
- throw new IllegalArgumentException("参数to不正确。");
- }
- String addressee=leftSign>-1?to.substring(0,leftSign).trim():null;//收件人名字
- boolean needBoundary=attachments!=null&&attachments.length>0;
- Socket socket=null;
- InputStream in=null;
- OutputStream out=null;
- byte[] data;
- try
- {
- if(addressee!=null)
- {
- if(addressee.length()==0)
- {
- addressee=null;
- }
- else if(addressee.charAt(0)=='"'&&addressee.charAt(addressee.length()-1)=='"')
- {
- addressee=addressee.substring(1,addressee.length()-1).trim();
- }
- }
- if(isEsmtp)
- {
- for(int k=1;;k++)
- {
- try
- {
- log("连接: 主机:\""+smtp+"\" 端口:\""+PORT+"\"");
- socket=new Socket(smtp,PORT);
- break;
- }
- catch(IOException e)
- {
- log("错误: 连接失败"+k+"次");
- if(k==RETRY)
- {
- return FAILED;
- }
- try
- {
- Thread.sleep(INTERVAL);
- }
- catch(InterruptedException ie)
- {
- }
- }
- }
- in=socket.getInputStream();
- out=socket.getOutputStream();
- if(response(in)!=220)
- {
- return FAILED;
- }
- }
- else
- {
- log("状态: 创建邮件接收服务器列表");
- String[] address=parseDomain(parseUrl(addresseeAddress));
- if(address==null)
- {
- return FAILED;
- }
- for(int k=0;k<address.length;k++)
- {
- try
- {
- log("连接: 主机:\""+address[k]+"\" 端口:\""+PORT+"\"");
- socket=new Socket(address[k],PORT);
- in=socket.getInputStream();
- out=socket.getOutputStream();
- if(response(in)!=220)
- {
- return FAILED;
- }
- break;
- }
- catch(IOException e)
- {
- log("错误: 连接失败");
- }
- }
- }
- if(in==null||out==null)
- {
- return FAILED;
- }
- socket.setSoTimeout(TIMEOUT);
- sendString("HELO "+parseUrl(senderAddress),out);
- sendNewline(out);
- if(response(in)!=250)
- {
- return FAILED;
- }
- if(isEsmtp)
- {
- sendString("AUTH LOGIN",out);
- sendNewline(out);
- if(response(in)!=334)
- {
- return FAILED;
- }
- sendString(user,out);
- sendNewline(out);
- if(response(in)!=334)
- {
- return FAILED;
- }
- sendString(password,out);
- sendNewline(out);
- if(response(in)!=235)
- {
- return FAILED;
- }
- }
- sendString("MAIL FROM: <"+senderAddress+">",out);
- sendNewline(out);
- if(response(in)!=250)
- {
- return FAILED;
- }
- sendString("RCPT TO: <"+addresseeAddress+">",out);
- sendNewline(out);
- if(response(in)!=250)
- {
- return FAILED;
- }
- sendString("DATA",out);
- sendNewline(out);
- if(response(in)!=354)
- {
- return FAILED;
- }
- sendString("From: "+(sender==null?senderAddress:getBase64String(sender)+" <"+senderAddress+">"),out);
- sendNewline(out);
- sendString("To: "+(addressee==null?addresseeAddress:getBase64String(addressee)+" <"+addresseeAddress+">"),out);
- sendNewline(out);
- sendString("Subject: "+getBase64String(subject),out);
- sendNewline(out);
- sendString("Date: "+new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z (z)",Locale.US).format(new Date()),out);
- sendNewline(out);
- sendString("MIME-Version: 1.0",out);
- sendNewline(out);
- if(needBoundary)
- {
- sendString("Content-Type: multipart/mixed; BOUNDARY=\""+BOUNDARY+"\"",out);
- sendNewline(out);
- }
- else
- {
- if(isHtml)
- {
- sendString("Content-Type: text/html; charset=\""+CHARSET+"\"",out);
- sendNewline(out);
- }
- else
- {
- sendString("Content-Type: text/plain; charset=\""+CHARSET+"\"",out);
- sendNewline(out);
- }
- }
- sendString("Content-Transfer-Encoding: base64",out);
- sendNewline(out);
- if(isUrgent)
- {
- sendString("X-Priority: 1",out);
- sendNewline(out);
- }
- else
- {
- sendString("X-Priority: 3",out);
- sendNewline(out);
- }
- sendString("X-Mailer: BlackFox Mail[Copyright(C) 2007 Sol]",out);
- sendNewline(out);
- log("发送: ");
- sendNewline(out);
- if(needBoundary)
- {
- sendString("--"+BOUNDARY,out);
- sendNewline(out);
- if(isHtml)
- {
- sendString("Content-Type: text/html; charset=\""+CHARSET+"\"",out);
- sendNewline(out);
- }
- else
- {
- sendString("Content-Type: text/plain; charset=\""+CHARSET+"\"",out);
- sendNewline(out);
- }
- sendString("Content-Transfer-Encoding: base64",out);
- sendNewline(out);
- log("发送: ");
- sendNewline(out);
- }
- data=(content!=null?content:"").getBytes();
- for(int k=0;k<data.length;k+=54)
- {
- sendString(Base64.encode(data,k,Math.min(data.length-k,54)),out);
- sendNewline(out);
- }
- if(needBoundary)
- {
- RandomAccessFile attachment=null;
- int fileIndex=0;
- String fileName;
- int k;
- data=new byte[54];
- try
- {
- for(;fileIndex<attachments.length;fileIndex++)
- {
- fileName=attachments[fileIndex].getName();
- attachment=new RandomAccessFile(attachments[fileIndex],"r");
- sendString("--"+BOUNDARY,out);
- sendNewline(out);
- sendString("Content-Type: "+MimeTypeFactory.getMimeType(fileName.indexOf(".")==-1?"*":fileName.substring(fileName.lastIndexOf(".")+1))+"; name=\""+(fileName=getBase64String(fileName))+"\"",out);
- sendNewline(out);
- sendString("Content-Transfer-Encoding: base64",out);
- sendNewline(out);
- sendString("Content-Disposition: attachment; filename=\""+fileName+"\"",out);
- sendNewline(out);
- log("发送: ");
- sendNewline(out);
- do
- {
- k=attachment.read(data,0,54);
- if(k==-1)
- {
- break;
- }
- sendString(Base64.encode(data,0,k),out);
- sendNewline(out);
- }while(k==54);
- }
- }
- catch(FileNotFoundException e)
- {
- log("错误: 附件\""+attachments[fileIndex].getAbsolutePath()+"\"不存在");
- return FAILED;
- }
- catch(IOException e)
- {
- log("错误: 无法读取附件\""+attachments[fileIndex].getAbsolutePath()+"\"");
- return FAILED;
- }
- finally
- {
- if(attachment!=null)
- {
- try
- {
- attachment.close();
- }
- catch(IOException e)
- {
- }
- }
- }
- sendString("--"+BOUNDARY+"--",out);
- sendNewline(out);
- }
- sendString(".",out);
- sendNewline(out);
- if(response(in)!=250)
- {
- return FAILED;
- }
- sendString("QUIT",out);
- sendNewline(out);
- if(response(in)!=221)
- {
- return FAILED;
- }
- return SUCCESSFUL;
- }
- catch(SocketTimeoutException e)
- {
- log("错误: 连接超时");
- return FAILED;
- }
- catch(IOException e)
- {
- log("错误: 连接出错");
- return FAILED;
- }
- catch(Exception e)
- {
- log("错误: "+e.toString());
- return FAILED;
- }
- finally
- {
- if(in!=null)
- {
- try
- {
- in.close();
- }
- catch(IOException e)
- {
- }
- }
- if(out!=null)
- {
- try
- {
- out.close();
- }
- catch(IOException e)
- {
- }
- }
- if(socket!=null)
- {
- try
- {
- socket.close();
- }
- catch(IOException e)
- {
- }
- }
- }
- }
- /**
- * 给多个发件人发送邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @param attachments 附件
- * @param isHtml 使用网页形式发送
- * @param isUrgent 紧急邮件
- * @return 任务状况
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean[] sendMail(String[] to,String subject,String content,File[] attachments,boolean isHtml,boolean isUrgent) throws IllegalArgumentException
- {
- boolean[] task=new boolean[to.length];
- for(int k=0;k<task.length;k++)
- {
- task[k]=sendMail(to[k],subject,content,attachments,isHtml,isUrgent);
- }
- return task;
- }
- /**
- * 发送纯文本邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @return 是否发送成功
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean sendTextMail(String to,String subject,String content) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,null,false,false);
- }
- /**
- * 发送HTML邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @return 是否发送成功
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean sendHtmlMail(String to,String subject,String content) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,null,true,false);
- }
- /**
- * 给多个发件人发送纯文本邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @return 任务状况
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean[] sendTextMail(String[] to,String subject,String content) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,null,false,false);
- }
- /**
- * 给多个发件人发送HTML邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @return 任务状况
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean[] sendHtmlMail(String[] to,String subject,String content) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,null,true,false);
- }
- /**
- * 发送带附件的纯文本邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @param attachments 附件
- * @return 是否发送成功
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean sendTextMail(String to,String subject,String content,File[] attachments) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,attachments,false,false);
- }
- /**
- * 发送带附件的HTML邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @param attachments 附件
- * @return 是否发送成功
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean sendHtmlMail(String to,String subject,String content,File[] attachments) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,attachments,true,false);
- }
- /**
- * 给多个发件人发送带附件的纯文本邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @param attachments 附件
- * @return 任务状况
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean[] sendTextMail(String[] to,String subject,String content,File[] attachments) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,attachments,false,false);
- }
- /**
- * 给多个发件人发送带附件的HTML邮件。
- * @param to 收件人
- * @param subject 主题
- * @param content 正文
- * @param attachments 附件
- * @return 任务状况
- * @throws IllegalArgumentException 如果参数to为null或格式不正确
- */
- public boolean[] sendHtmlMail(String[] to,String subject,String content,File[] attachments) throws IllegalArgumentException
- {
- return sendMail(to,subject,content,attachments,true,false);
- }
- /**
- * 添加一个日志管理器。
- * @param manager 日志管理器
- */
- public void addLogManager(LogManager manager)
- {
- logManager.add(manager);
- }
- /**
- * 移除日志管理器。
- * @param manager 要移除的日志管理器
- */
- public void removeLogManager(LogManager manager)
- {
- logManager.remove(manager);
- }
- /**
- * 通过分析收件人邮箱域名的DNS记录获取邮件接收服务器地址。
- * @param url 收件人邮箱域名
- * @return 主机地址列表
- */
- private String[] parseDomain(String url)
- {
- try
- {
- NamingEnumeration records=dirContext.getAttributes(url,new String[]{"mx"}).getAll();
- String[] address;
- String[] tmpMx;
- MX[] tmpMxArray;
- MX tmp;
- if(records.hasMore())
- {
- url=records.next().toString();
- url=url.substring(url.indexOf(": ")+2);
- address=url.split(",");
- tmpMxArray=new MX[address.length];
- for(int k=0;k<address.length;k++)
- {
- tmpMx=address[k].trim().split(" ");
- tmpMxArray[k]=new MX(Integer.parseInt(tmpMx[0]),tmpMx[1]);
- }
- for(int n=1;n<tmpMxArray.length;n++)
- {
- for(int m=n;m>0;m--)
- {
- if(tmpMxArray[m-1].pri>tmpMxArray[m].pri)
- {
- tmp=tmpMxArray[m-1];
- tmpMxArray[m-1]=tmpMxArray[m];
- tmpMxArray[m]=tmp;
- }
- }
- }
- for(int k=0;k<tmpMxArray.length;k++)
- {
- address[k]=tmpMxArray[k].address;
- }
- return address;
- }//分析mx记录
- records=dirContext.getAttributes(url,new String[]{"a"}).getAll();
- if(records.hasMore())
- {
- url=records.next().toString();
- url=url.substring(url.indexOf(": ")+2).replace(" ","");
- address=url.split(",");
- return address;
- }//分析a记录
- return new String[]{url};
- }
- catch(NamingException e)
- {
- log("错误: 域名\""+url+"\"无法解析");
- return null;
- }
- }
- /**
- * 获得响应码。
- * @param in 输入流
- * @return 响应码
- * @throws IOException 如果发生 I/O 错误。
- */
- private int response(InputStream in) throws IOException
- {
- byte[] buffer=new byte[1024];
- int k=in.read(buffer);
- if(k==-1)
- {
- return -1;
- }
- String response=new String(buffer,0,k).trim();
- log("响应: "+response);
- return Integer.parseInt(response.substring(0,3));
- }
- /**
- * 输出字符串。
- * @param str 字符串
- * @param out 输出流
- * @throws IOException 如果发生 I/O 错误。
- */
- private void sendString(String str,OutputStream out) throws IOException
- {
- log("发送: "+str);
- if(str==null)
- {
- str="";
- }
- out.write(str.getBytes());
- out.flush();
- }
- /**
- * 写日志。
- * @param info 信息
- */
- private void log(String info)
- {
- for(int n=0,m=logManager.size();n<m;n++)
- {
- logManager.get(n).output(info);
- }
- }
- /**
- * 输出一个换行符。
- * @param out 输出流
- * @throws IOException 如果发生 I/O 错误。
- */
- private static void sendNewline(OutputStream out) throws IOException
- {
- out.write('\r');
- out.write('\n');
- out.flush();
- }
- /**
- * 获得字符串的Base64加密形式。
- * @param str 字符串
- * @return 加密后的字符串
- */
- private static String getBase64String(String str)
- {
- if(str==null||str.length()==0)
- {
- return "";
- }
- StringBuffer tmpStr=new StringBuffer();
- byte[] bytes=str.getBytes();
- for(int k=0;k<bytes.length;)
- {
- if(k!=0)
- {
- tmpStr.append(' ');
- }
- tmpStr.append("=?");
- tmpStr.append(CHARSET);
- tmpStr.append("?B?");
- tmpStr.append(Base64.encode(bytes,k,Math.min(bytes.length-k,30)));
- tmpStr.append("?=");
- k+=30;
- if(k<bytes.length)
- {
- tmpStr.append('\r');
- tmpStr.append('\n');
- }
- }
- return tmpStr.toString();
- }
- /**
- * 分析邮箱域名。
- * @param address E-Mail地址
- * @return 邮箱域名
- */
- private static String parseUrl(String address)
- {
- return address.substring(address.lastIndexOf('@')+1);
- }
- /**
- * MX记录。
- */
- private class MX
- {
- final int pri;
- final String address;
- MX(int pri,String host)
- {
- this.pri=pri;
- this.address=host;
- }
- }
- }
package org.gameeden.mail; import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.RandomAccessFile; import java.net.Socket; import java.net.SocketTimeoutException; import java.nio.charset.Charset; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.Hashtable; import java.util.Locale; import java.util.regex.Pattern; import javax.naming.NamingEnumeration; import javax.naming.NamingException; import javax.naming.directory.InitialDirContext; import org.gameeden.security.Base64; import org.gameeden.util.LogManager; /** * SMTP邮件发送系统。 * * * 发件人和收件人的正确格式如下: * * 例1: "Sol"<[email protected]> * 例2: Sol<[email protected]> * 例3: <[email protected]> * 例4: [email protected] * * @author Sol * @since 1.5 */ public final class SmtpMailSender { /** * 发送成功的常量。 */ public final static boolean SUCCESSFUL=true; /** * 发送失败的常量。 */ public final static boolean FAILED=false; private final static int PORT=25;//服务器端口(SMTP服务器和邮件接收服务器的端口均为25) private final static int RETRY=3;//当连接SMTP服务器失败后尝试重新连接的次数(仅用于发送ESMTP邮件) private final static int INTERVAL=1000;//当连接SMTP服务器失败后重新连接的时间间隔(仅用于发送ESMTP邮件) private final static int TIMEOUT=10000;//网络连接的超时时间 private final static String BOUNDARY;//MIME分格符 private final static String CHARSET;//虚拟机的默认编码 private final static Pattern PATTERN;//用于效验邮箱地址的正确性 private static InitialDirContext dirContext;//用于查询DNS记录 private final ArrayList<LogManager> logManager;//日志管理器 private boolean isEsmtp;//发送类型 private String smtp;//SMTP服务器地址(仅用于发送ESMTP邮件) private String user;//用户名(仅用于发送ESMTP邮件) private String password;//密码(仅用于发送ESMTP邮件) private String sender;//发件人名字 private String senderAddress;//发件人的E-Mail地址 static { BOUNDARY="Boundary-=_hMbeqwnGNoWeLsRMeKTIPeofyStu"; CHARSET=Charset.defaultCharset().displayName(); PATTERN=Pattern.compile(".+@[^.@]+(\\.[^.@]+)+$");//此处放弃了传统匹配方式,这是为了兼容非英文域名的电子邮箱 Hashtable<String,String> hashtable=new Hashtable<String,String>(); hashtable.put("java.naming.factory.initial","com.sun.jndi.dns.DnsContextFactory"); try { dirContext=new InitialDirContext(hashtable); } catch(NamingException e) { } } private SmtpMailSender(String from) { if(from==null) { throw new IllegalArgumentException("参数from不能为null。"); } int leftSign=(from=from.trim()).charAt(from.length()-1)=='>'?from.lastIndexOf('<'):-1; senderAddress=leftSign>-1?from.substring(leftSign+1,from.length()-1).trim():from; if(!PATTERN.matcher(senderAddress).find()) { throw new IllegalArgumentException("参数from不正确。"); } sender=leftSign>-1?from.substring(0,leftSign).trim():null; logManager=new ArrayList<LogManager>(); isEsmtp=false; if(sender!=null) { if(sender.length()==0) { sender=null; } else if(sender.charAt(0)=='"'&&sender.charAt(sender.length()-1)=='"') { sender=sender.substring(1,sender.length()-1).trim(); } } } private SmtpMailSender(String address,String from,String user,String password) { this(from); isEsmtp=true; this.smtp=address; this.user=Base64.encode(user.getBytes()); this.password=Base64.encode(password.getBytes()); } /** * 创建SMTP邮件发送系统实例。 * @param from 发件人 * @return SMTP邮件发送系统的实例 * @throws IllegalArgumentException 如果参数from为null或格式不正确 */ public static SmtpMailSender createSmtpMailSender(String from) throws IllegalArgumentException { return new SmtpMailSender(from); } /** * 创建ESMTP邮件发送系统实例。 * @param smtp SMTP服务器地址 * @param from 发件人 * @param user 用户名 * @param password 密码 * @return SMTP邮件发送系统的实例 * @throws IllegalArgumentException 如果参数from为null或格式不正确 */ public static SmtpMailSender createESmtpMailSender(String smtp,String from,String user,String password) throws IllegalArgumentException { return new SmtpMailSender(smtp,from,user,password); } /** * 发送邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @param attachments 附件 * @param isHtml 使用网页形式发送 * @param isUrgent 紧急邮件 * @return 是否发送成功 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean sendMail(String to,String subject,String content,File[] attachments,boolean isHtml,boolean isUrgent) throws IllegalArgumentException { if(to==null) { throw new IllegalArgumentException("参数to不能为null。"); } int leftSign=(to=to.trim()).charAt(to.length()-1)=='>'?to.lastIndexOf('<'):-1; String addresseeAddress=leftSign>-1?to.substring(leftSign+1,to.length()-1).trim():to;//收件人的E-Mail地址 if(!PATTERN.matcher(addresseeAddress).find()) { throw new IllegalArgumentException("参数to不正确。"); } String addressee=leftSign>-1?to.substring(0,leftSign).trim():null;//收件人名字 boolean needBoundary=attachments!=null&&attachments.length>0; Socket socket=null; InputStream in=null; OutputStream out=null; byte[] data; try { if(addressee!=null) { if(addressee.length()==0) { addressee=null; } else if(addressee.charAt(0)=='"'&&addressee.charAt(addressee.length()-1)=='"') { addressee=addressee.substring(1,addressee.length()-1).trim(); } } if(isEsmtp) { for(int k=1;;k++) { try { log("连接: 主机:\""+smtp+"\" 端口:\""+PORT+"\""); socket=new Socket(smtp,PORT); break; } catch(IOException e) { log("错误: 连接失败"+k+"次"); if(k==RETRY) { return FAILED; } try { Thread.sleep(INTERVAL); } catch(InterruptedException ie) { } } } in=socket.getInputStream(); out=socket.getOutputStream(); if(response(in)!=220) { return FAILED; } } else { log("状态: 创建邮件接收服务器列表"); String[] address=parseDomain(parseUrl(addresseeAddress)); if(address==null) { return FAILED; } for(int k=0;k<address.length;k++) { try { log("连接: 主机:\""+address[k]+"\" 端口:\""+PORT+"\""); socket=new Socket(address[k],PORT); in=socket.getInputStream(); out=socket.getOutputStream(); if(response(in)!=220) { return FAILED; } break; } catch(IOException e) { log("错误: 连接失败"); } } } if(in==null||out==null) { return FAILED; } socket.setSoTimeout(TIMEOUT); sendString("HELO "+parseUrl(senderAddress),out); sendNewline(out); if(response(in)!=250) { return FAILED; } if(isEsmtp) { sendString("AUTH LOGIN",out); sendNewline(out); if(response(in)!=334) { return FAILED; } sendString(user,out); sendNewline(out); if(response(in)!=334) { return FAILED; } sendString(password,out); sendNewline(out); if(response(in)!=235) { return FAILED; } } sendString("MAIL FROM: <"+senderAddress+">",out); sendNewline(out); if(response(in)!=250) { return FAILED; } sendString("RCPT TO: <"+addresseeAddress+">",out); sendNewline(out); if(response(in)!=250) { return FAILED; } sendString("DATA",out); sendNewline(out); if(response(in)!=354) { return FAILED; } sendString("From: "+(sender==null?senderAddress:getBase64String(sender)+" <"+senderAddress+">"),out); sendNewline(out); sendString("To: "+(addressee==null?addresseeAddress:getBase64String(addressee)+" <"+addresseeAddress+">"),out); sendNewline(out); sendString("Subject: "+getBase64String(subject),out); sendNewline(out); sendString("Date: "+new SimpleDateFormat("EEE, d MMM yyyy HH:mm:ss Z (z)",Locale.US).format(new Date()),out); sendNewline(out); sendString("MIME-Version: 1.0",out); sendNewline(out); if(needBoundary) { sendString("Content-Type: multipart/mixed; BOUNDARY=\""+BOUNDARY+"\"",out); sendNewline(out); } else { if(isHtml) { sendString("Content-Type: text/html; charset=\""+CHARSET+"\"",out); sendNewline(out); } else { sendString("Content-Type: text/plain; charset=\""+CHARSET+"\"",out); sendNewline(out); } } sendString("Content-Transfer-Encoding: base64",out); sendNewline(out); if(isUrgent) { sendString("X-Priority: 1",out); sendNewline(out); } else { sendString("X-Priority: 3",out); sendNewline(out); } sendString("X-Mailer: BlackFox Mail[Copyright(C) 2007 Sol]",out); sendNewline(out); log("发送: "); sendNewline(out); if(needBoundary) { sendString("--"+BOUNDARY,out); sendNewline(out); if(isHtml) { sendString("Content-Type: text/html; charset=\""+CHARSET+"\"",out); sendNewline(out); } else { sendString("Content-Type: text/plain; charset=\""+CHARSET+"\"",out); sendNewline(out); } sendString("Content-Transfer-Encoding: base64",out); sendNewline(out); log("发送: "); sendNewline(out); } data=(content!=null?content:"").getBytes(); for(int k=0;k<data.length;k+=54) { sendString(Base64.encode(data,k,Math.min(data.length-k,54)),out); sendNewline(out); } if(needBoundary) { RandomAccessFile attachment=null; int fileIndex=0; String fileName; int k; data=new byte[54]; try { for(;fileIndex<attachments.length;fileIndex++) { fileName=attachments[fileIndex].getName(); attachment=new RandomAccessFile(attachments[fileIndex],"r"); sendString("--"+BOUNDARY,out); sendNewline(out); sendString("Content-Type: "+MimeTypeFactory.getMimeType(fileName.indexOf(".")==-1?"*":fileName.substring(fileName.lastIndexOf(".")+1))+"; name=\""+(fileName=getBase64String(fileName))+"\"",out); sendNewline(out); sendString("Content-Transfer-Encoding: base64",out); sendNewline(out); sendString("Content-Disposition: attachment; filename=\""+fileName+"\"",out); sendNewline(out); log("发送: "); sendNewline(out); do { k=attachment.read(data,0,54); if(k==-1) { break; } sendString(Base64.encode(data,0,k),out); sendNewline(out); }while(k==54); } } catch(FileNotFoundException e) { log("错误: 附件\""+attachments[fileIndex].getAbsolutePath()+"\"不存在"); return FAILED; } catch(IOException e) { log("错误: 无法读取附件\""+attachments[fileIndex].getAbsolutePath()+"\""); return FAILED; } finally { if(attachment!=null) { try { attachment.close(); } catch(IOException e) { } } } sendString("--"+BOUNDARY+"--",out); sendNewline(out); } sendString(".",out); sendNewline(out); if(response(in)!=250) { return FAILED; } sendString("QUIT",out); sendNewline(out); if(response(in)!=221) { return FAILED; } return SUCCESSFUL; } catch(SocketTimeoutException e) { log("错误: 连接超时"); return FAILED; } catch(IOException e) { log("错误: 连接出错"); return FAILED; } catch(Exception e) { log("错误: "+e.toString()); return FAILED; } finally { if(in!=null) { try { in.close(); } catch(IOException e) { } } if(out!=null) { try { out.close(); } catch(IOException e) { } } if(socket!=null) { try { socket.close(); } catch(IOException e) { } } } } /** * 给多个发件人发送邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @param attachments 附件 * @param isHtml 使用网页形式发送 * @param isUrgent 紧急邮件 * @return 任务状况 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean[] sendMail(String[] to,String subject,String content,File[] attachments,boolean isHtml,boolean isUrgent) throws IllegalArgumentException { boolean[] task=new boolean[to.length]; for(int k=0;k<task.length;k++) { task[k]=sendMail(to[k],subject,content,attachments,isHtml,isUrgent); } return task; } /** * 发送纯文本邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @return 是否发送成功 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean sendTextMail(String to,String subject,String content) throws IllegalArgumentException { return sendMail(to,subject,content,null,false,false); } /** * 发送HTML邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @return 是否发送成功 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean sendHtmlMail(String to,String subject,String content) throws IllegalArgumentException { return sendMail(to,subject,content,null,true,false); } /** * 给多个发件人发送纯文本邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @return 任务状况 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean[] sendTextMail(String[] to,String subject,String content) throws IllegalArgumentException { return sendMail(to,subject,content,null,false,false); } /** * 给多个发件人发送HTML邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @return 任务状况 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean[] sendHtmlMail(String[] to,String subject,String content) throws IllegalArgumentException { return sendMail(to,subject,content,null,true,false); } /** * 发送带附件的纯文本邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @param attachments 附件 * @return 是否发送成功 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean sendTextMail(String to,String subject,String content,File[] attachments) throws IllegalArgumentException { return sendMail(to,subject,content,attachments,false,false); } /** * 发送带附件的HTML邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @param attachments 附件 * @return 是否发送成功 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean sendHtmlMail(String to,String subject,String content,File[] attachments) throws IllegalArgumentException { return sendMail(to,subject,content,attachments,true,false); } /** * 给多个发件人发送带附件的纯文本邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @param attachments 附件 * @return 任务状况 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean[] sendTextMail(String[] to,String subject,String content,File[] attachments) throws IllegalArgumentException { return sendMail(to,subject,content,attachments,false,false); } /** * 给多个发件人发送带附件的HTML邮件。 * @param to 收件人 * @param subject 主题 * @param content 正文 * @param attachments 附件 * @return 任务状况 * @throws IllegalArgumentException 如果参数to为null或格式不正确 */ public boolean[] sendHtmlMail(String[] to,String subject,String content,File[] attachments) throws IllegalArgumentException { return sendMail(to,subject,content,attachments,true,false); } /** * 添加一个日志管理器。 * @param manager 日志管理器 */ public void addLogManager(LogManager manager) { logManager.add(manager); } /** * 移除日志管理器。 * @param manager 要移除的日志管理器 */ public void removeLogManager(LogManager manager) { logManager.remove(manager); } /** * 通过分析收件人邮箱域名的DNS记录获取邮件接收服务器地址。 * @param url 收件人邮箱域名 * @return 主机地址列表 */ private String[] parseDomain(String url) { try { NamingEnumeration records=dirContext.getAttributes(url,new String[]{"mx"}).getAll(); String[] address; String[] tmpMx; MX[] tmpMxArray; MX tmp; if(records.hasMore()) { url=records.next().toString(); url=url.substring(url.indexOf(": ")+2); address=url.split(","); tmpMxArray=new MX[address.length]; for(int k=0;k<address.length;k++) { tmpMx=address[k].trim().split(" "); tmpMxArray[k]=new MX(Integer.parseInt(tmpMx[0]),tmpMx[1]); } for(int n=1;n<tmpMxArray.length;n++) { for(int m=n;m>0;m--) { if(tmpMxArray[m-1].pri>tmpMxArray[m].pri) { tmp=tmpMxArray[m-1]; tmpMxArray[m-1]=tmpMxArray[m]; tmpMxArray[m]=tmp; } } } for(int k=0;k<tmpMxArray.length;k++) { address[k]=tmpMxArray[k].address; } return address; }//分析mx记录 records=dirContext.getAttributes(url,new String[]{"a"}).getAll(); if(records.hasMore()) { url=records.next().toString(); url=url.substring(url.indexOf(": ")+2).replace(" ",""); address=url.split(","); return address; }//分析a记录 return new String[]{url}; } catch(NamingException e) { log("错误: 域名\""+url+"\"无法解析"); return null; } } /** * 获得响应码。 * @param in 输入流 * @return 响应码 * @throws IOException 如果发生 I/O 错误。 */ private int response(InputStream in) throws IOException { byte[] buffer=new byte[1024]; int k=in.read(buffer); if(k==-1) { return -1; } String response=new String(buffer,0,k).trim(); log("响应: "+response); return Integer.parseInt(response.substring(0,3)); } /** * 输出字符串。 * @param str 字符串 * @param out 输出流 * @throws IOException 如果发生 I/O 错误。 */ private void sendString(String str,OutputStream out) throws IOException { log("发送: "+str); if(str==null) { str=""; } out.write(str.getBytes()); out.flush(); } /** * 写日志。 * @param info 信息 */ private void log(String info) { for(int n=0,m=logManager.size();n<m;n++) { logManager.get(n).output(info); } } /** * 输出一个换行符。 * @param out 输出流 * @throws IOException 如果发生 I/O 错误。 */ private static void sendNewline(OutputStream out) throws IOException { out.write('\r'); out.write('\n'); out.flush(); } /** * 获得字符串的Base64加密形式。 * @param str 字符串 * @return 加密后的字符串 */ private static String getBase64String(String str) { if(str==null||str.length()==0) { return ""; } StringBuffer tmpStr=new StringBuffer(); byte[] bytes=str.getBytes(); for(int k=0;k<bytes.length;) { if(k!=0) { tmpStr.append(' '); } tmpStr.append("=?"); tmpStr.append(CHARSET); tmpStr.append("?B?"); tmpStr.append(Base64.encode(bytes,k,Math.min(bytes.length-k,30))); tmpStr.append("?="); k+=30; if(k<bytes.length) { tmpStr.append('\r'); tmpStr.append('\n'); } } return tmpStr.toString(); } /** * 分析邮箱域名。 * @param address E-Mail地址 * @return 邮箱域名 */ private static String parseUrl(String address) { return address.substring(address.lastIndexOf('@')+1); } /** * MX记录。 */ private class MX { final int pri; final String address; MX(int pri,String host) { this.pri=pri; this.address=host; } } }
测试类
- import java.io.File;
- import org.gameeden.mail.SmtpMailSender;
- import org.gameeden.util.LogManager;
- /**
- * 测试类。
- */
- public class TestSmtpMail
- {
- public static void main(String[] args)
- {
- SmtpMailSender sms=SmtpMailSender.createSmtpMailSender("\"Black Fox\"<[email protected]>");
- // SmtpMailSender sms=SmtpMailSender.createESmtpMailSender("smtp.163.com","\"Object\"<[email protected]>","java.lang.object","******");
- sms.addLogManager(new LogPrinter());//添加日志管理器
- if(sms.sendTextMail("\"Sol\"<[email protected]>","STMP邮件测试","这是一封测试邮件。",new File[]{new File("java.gif")})==SmtpMailSender.SUCCESSFUL)
- {
- System.out.println("邮件发送成功。");
- }
- else
- {
- System.out.println("邮件发送失败。");
- }
- }
- }
- /**
- * 一个简单的日志管理器。
- */
- class LogPrinter implements LogManager
- {
- public void output(String info)
- {
- System.out.println(info);//将日志打印到控制台
- }
- }
import java.io.File; import org.gameeden.mail.SmtpMailSender; import org.gameeden.util.LogManager; /** * 测试类。 */ public class TestSmtpMail { public static void main(String[] args) { SmtpMailSender sms=SmtpMailSender.createSmtpMailSender("\"Black Fox\"<[email protected]>"); // SmtpMailSender sms=SmtpMailSender.createESmtpMailSender("smtp.163.com","\"Object\"<[email protected]>","java.lang.object","******"); sms.addLogManager(new LogPrinter());//添加日志管理器 if(sms.sendTextMail("\"Sol\"<[email protected]>","STMP邮件测试","这是一封测试邮件。",new File[]{new File("java.gif")})==SmtpMailSender.SUCCESSFUL) { System.out.println("邮件发送成功。"); } else { System.out.println("邮件发送失败。"); } } } /** * 一个简单的日志管理器。 */ class LogPrinter implements LogManager { public void output(String info) { System.out.println(info);//将日志打印到控制台 } }
测试日志
状态: 创建邮件接收服务器列表
连接: 主机:"mx0.qq.com." 端口:"25"
响应: 220 mx7.qq.com ESMTP QQ Mail Server
发送: HELO gameeden.org
响应: 250 mx7.qq.com
发送: MAIL FROM: <[email protected]>
响应: 250 Ok
发送: RCPT TO: <[email protected]>
响应: 250 Ok
发送: DATA
响应: 354 End data with .
发送: From: =?GBK?B?QmxhY2sgRm94?= <[email protected]>
发送: To: =?GBK?B?U29s?= <[email protected]>
发送: Subject: =?GBK?B?U1RNUNPKvP6y4srU?=
发送: Date: Thu, 25 Oct 2007 10:42:13 +0800 (CST)
发送: MIME-Version: 1.0
发送: Content-Type: multipart/mixed; BOUNDARY="Boundary-=_hMbeqwnGNoWeLsRMeKTIPeofyStu"
发送: Content-Transfer-Encoding: base64
发送: X-Priority: 3
发送: X-Mailer: BlackFox Mail[Copyright(C) 2007 Sol]
发送:
发送: --Boundary-=_hMbeqwnGNoWeLsRMeKTIPeofyStu
发送: Content-Type: text/plain; charset="GBK"
发送: Content-Transfer-Encoding: base64
发送:
发送: 1eLKx9K7t+Ky4srU08q8/qGj
发送: --Boundary-=_hMbeqwnGNoWeLsRMeKTIPeofyStu
发送: Content-Type: image/gif; name="=?GBK?B?amF2YS5naWY=?="
发送: Content-Transfer-Encoding: base64
发送: Content-Disposition: attachment; filename="=?GBK?B?amF2YS5naWY=?="
发送:
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发送: kHhCCAA7
发送: --Boundary-=_hMbeqwnGNoWeLsRMeKTIPeofyStu--
发送: .
响应: 250 Ok: queued as
发送: QUIT
响应: 221 Bye
邮件发送成功。