SMTP邮件类
<?php
class smtp
{
/* Public Variables */
var $smtp_port;
var $time_out;
var $host_name;
var $log_file;
var $relay_host;
var $debug;
var $auth;
var $user;
var $pass;
/* Private Variables */
var $sock;
/* Constractor */
function smtp($relay_host = "", $smtp_port = 25, $auth = false, $user, $pass){
$this -> debug = FALSE;
$this -> smtp_port = $smtp_port;
$this -> relay_host = $relay_host;
$this -> time_out = 30; //is used in fsockopen()
#
$this -> auth = $auth; //auth
$this -> user = $user;
$this -> pass = $pass;
#
$this -> host_name = "localhost"; //is used in HELO command
$this -> log_file = "";
$this -> sock = FALSE;
}
/* Main Function */
function sendmail($to, $from, $subject = "", $body = "", $mailtype, $cc = "", $bcc = "", $additional_headers = ""){
$mail_from = $this -> get_address($this -> strip_comment($this-> user));
$body = preg_replace("/(^|(\r\n))(\\.)/", "\\1.\\3", $body);
@$header .= "MIME-Version:1.0\r\n";
if($mailtype == "HTML"){
$header .= "Content-Type:text/html\r\n";
}
$header .= "To: " . $to . "\r\n";
if($cc != ""){
$header .= "Cc: " . $cc . "\r\n";
}
$header .= "From: $from<" .$this-> user . ">\r\n";
$header .= "Subject: " . $subject . "\r\n";
$header .= $additional_headers;
$header .= "Date: " . date("r") . "\r\n";
$header .= "X-Mailer:By Redhat (PHP/" . phpversion() . ")\r\n";
list($msec, $sec) = explode(" ", microtime());
$header .= "Message-ID: <" . date("YmdHis", $sec) . "." . ($msec*1000000) . "." . $mail_from . ">\r\n";
$TO = explode(",", $this -> strip_comment($to));
if($cc != ""){
$TO = array_merge($TO, explode(",", $this -> strip_comment($cc)));
}
if($bcc != ""){
$TO = array_merge($TO, explode(",", $this -> strip_comment($bcc)));
}
$sent = TRUE;
foreach ($TO as $rcpt_to) {
$rcpt_to = $this -> get_address($rcpt_to);
if(!$this -> smtp_sockopen($rcpt_to)){
$this -> log_write("Error: Cannot send email to " . $rcpt_to . "\n");
$sent = FALSE;
continue;
}
if($this -> smtp_send($this -> host_name, $mail_from, $rcpt_to, $header, $body)){
$this -> log_write("E-mail has been sent to <" . $rcpt_to . ">\n");
}else{
$this -> log_write("Error: Cannot send email to <" . $rcpt_to . ">\n");
$sent = FALSE;
}
fclose($this -> sock);
$this -> log_write("Disconnected from remote host\n");
}
//echo "<br>";
//echo $header;
return $sent;
}
/* Private Functions */
function smtp_send($helo, $from, $to, $header, $body = ""){
if(!$this -> smtp_putcmd("HELO", $helo)){
return $this -> smtp_error("sending HELO command");
}
#auth
if($this -> auth){
if(!$this -> smtp_putcmd("AUTH LOGIN", base64_encode($this -> user))){
return $this -> smtp_error("sending HELO command");
}
if(!$this -> smtp_putcmd("", base64_encode($this -> pass))){
return $this -> smtp_error("sending HELO command");
}
}
#
if(!$this -> smtp_putcmd("MAIL", "FROM:<" . $from . ">")){
return $this -> smtp_error("sending MAIL FROM command");
}
if(!$this -> smtp_putcmd("RCPT", "TO:<" . $to . ">")){
return $this -> smtp_error("sending RCPT TO command");
}
if(!$this -> smtp_putcmd("DATA")){
return $this -> smtp_error("sending DATA command");
}
if(!$this -> smtp_message($header, $body)){
return $this -> smtp_error("sending message");
}
if(!$this -> smtp_eom()){
return $this -> smtp_error("sending <CR><LF>.<CR><LF> [EOM]");
}
if(!$this -> smtp_putcmd("QUIT")){
return $this -> smtp_error("sending QUIT command");
}
return TRUE;
}
function smtp_sockopen($address){
if($this -> relay_host == ""){
return $this -> smtp_sockopen_mx($address);
}else{
return $this -> smtp_sockopen_relay();
}
}
function smtp_sockopen_relay(){
$this -> log_write("Trying to " . $this -> relay_host . ":" . $this -> smtp_port . "\n");
$this -> sock = @fsockopen($this -> relay_host, $this -> smtp_port, $errno, $errstr, $this -> time_out);
if(!($this -> sock && $this -> smtp_ok())){
$this -> log_write("Error: Cannot connenct to relay host " . $this -> relay_host . "\n");
$this -> log_write("Error: " . $errstr." (" . $errno . ")\n");
return FALSE;
}
$this -> log_write("Connected to relay host " . $this -> relay_host . "\n");
return TRUE;
}
function smtp_sockopen_mx($address){
$domain = preg_replace("^.+@([^@]+)$", "\\1", $address);
if(!@getmxrr($domain, $MXHOSTS)){
$this -> log_write("Error: Cannot resolve MX \"" . $domain . "\"\n");
return FALSE;
}
foreach ($MXHOSTS as $host) {
$this -> log_write("Trying to " . $host . ":" . $this -> smtp_port . "\n");
$this -> sock = @fsockopen($host, $this -> smtp_port, $errno, $errstr, $this -> time_out);
if(!($this -> sock && $this -> smtp_ok())){
$this -> log_write("Warning: Cannot connect to mx host " . $host . "\n");
$this -> log_write("Error: " . $errstr . " (" . $errno . ")\n");
continue;
}
$this -> log_write("Connected to mx host " . $host . "\n");
return TRUE;
}
$this -> log_write("Error: Cannot connect to any mx hosts (" . implode(", ", $MXHOSTS) . ")\n");
return FALSE;
}
function smtp_message($header, $body){
fputs($this -> sock, $header . "\r\n" . $body);
$this -> smtp_debug("> " . str_replace("\r\n", "\n" . "> ", $header . "\n> " . $body . "\n> "));
return TRUE;
}
function smtp_eom(){
fputs($this -> sock, "\r\n.\r\n");
$this -> smtp_debug(". [EOM]\n");
return $this -> smtp_ok();
}
function smtp_ok(){
$response = str_replace("\r\n", "", fgets($this -> sock, 512));
$this -> smtp_debug($response . "\n");
if(!preg_match("/^[23]/", $response)){
fputs($this -> sock, "QUIT\r\n");
fgets($this -> sock, 512);
$this -> log_write("Error: Remote host returned \"" . $response . "\"\n");
return FALSE;
}
return TRUE;
}
function smtp_putcmd($cmd, $arg = ""){
if($arg != ""){
if($cmd == "")
$cmd = $arg;
else
$cmd = $cmd . " " . $arg;
}
fputs($this -> sock, $cmd . "\r\n");
$this -> smtp_debug("> " . $cmd . "\n");
return $this -> smtp_ok();
}
function smtp_error($string){
$this -> log_write("Error: Error occurred while " . $string . ".\n");
return FALSE;
}
function log_write($message){
$this -> smtp_debug($message);
if($this -> log_file == ""){
return TRUE;
}
$message = date("M d H:i:s ") . get_current_user() . "[" . getmypid() . "]: " . $message;
if(!@file_exists($this -> log_file) || !($fp = @fopen($this -> log_file, "a"))){
$this -> smtp_debug("Warning: Cannot open log file \"" . $this -> log_file . "\"\n");
return FALSE;
}
flock($fp, LOCK_EX);
fputs($fp, $message);
fclose($fp);
return TRUE;
}
function strip_comment($address){
$comment = "/\\([^()]*\\)/";
while (preg_match($comment, $address)) {
$address = preg_replace($comment, "", $address);
}
return $address;
}
function get_address($address){
$address = preg_replace("/([ \t\r\n])+/", "", $address);
$address = preg_replace("/^.*<(.+)>.*$/", "\\1", $address);
return $address;
}
function smtp_debug($message){
if($this -> debug){
echo $message . "<br>";
}
}
function get_attach_type($image_tag){ //
$filedata = array();
$img_file_con = fopen($image_tag, "r");
unset($image_data);
while ($tem_buffer = AddSlashes(fread($img_file_con, filesize($image_tag))))
$image_data .= $tem_buffer;
fclose($img_file_con);
$filedata['context'] = $image_data;
$filedata['filename']= basename($image_tag);
$extension = substr($image_tag, strrpos($image_tag, "."), strlen($image_tag) - strrpos($image_tag, "."));
switch($extension){
case ".gif":
$filedata['type'] = "image/gif";
break;
case ".gz":
$filedata['type'] = "application/x-gzip";
break;
case ".htm":
$filedata['type'] = "text/html";
break;
case ".html":
$filedata['type'] = "text/html";
break;
case ".jpg":
$filedata['type'] = "image/jpeg";
break;
case ".tar":
$filedata['type'] = "application/x-tar";
break;
case ".txt":
$filedata['type'] = "text/plain";
break;
case ".zip":
$filedata['type'] = "application/zip";
break;
default:
$filedata['type'] = "application/octet-stream";
break;
}
return $filedata;
}
}
?>
example
<?php
require_once ('mail.php');
//##########################################
$smtpserver = "smtp.126.com";//SMTP服务器
$smtpserverport = 25;//SMTP服务器端口
$from = "sucong***";//发送者
$to = "11260457**@qq.com";//发送给谁
$smtpuser = "sucong***@126.com";//SMTP服务器的用户帐号
$smtppass = "***********";//SMTP服务器的用户密码
$mailsubject = "这里是邮件的主题";//邮件主题
$mailbody = "<h1> 这里是邮件的正文 </h1>";//邮件内容
$mailtype = "HTML";//邮件格式（HTML/TXT）,TXT为文本邮件
//##########################################
$smtp = new smtp($smtpserver, $smtpserverport, true, $smtpuser, $smtppass);//这里面的一个true是表示使用身份验证,否则不使用身份验证.
$smtp -> debug = false;//是否显示发送的调试信息
$a=$smtp -> sendmail($to, $from, $mailsubject, $mailbody, $mailtype);
var_dump($a);///成功会返回true
?>