在.net中使用jmail发送Email(部分代码)

1安装jmail4.3
2.找到jmail.dll (E:/ProgramFiles/JMail4下)
3.执行Program Files/Microsoft Visual Studio .NET/FrameworkSDK/Bin/ildasm.exe(可使用Visual Studio .Net 2003 命令提示),
格式如下:tlbimp E:/ProgramFiles/JMail4/jmail.dll /out:myJmail.dll /namespace:pu1_erp
生成myJmail.dll后,copy到web的根目录的bin目录。
4.使用时先加myJmail.dll引用

部分代码:
Jmail_Send.aspx.cs:

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using pu1_erp; //加它,原因是生成myjmail.dll时
using System.IO;


namespace Pu1_Erp.Email
{
public class Jmail_Send : System.Web.UI.Page
{
...................;
string smtp; //加一个全局变量
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
Label7.Text="'用户名'与'密码'是相对发邮件者而言的";
}

public void send()
{
try
{
pu1_erp.MessageClass Jmail=new pu1_erp.MessageClass() ;
Jmail.Silent = true ;
Jmail.FromName =user_name.Text.Trim();
Jmail.From = user_name.Text.Trim()+mail_ddlst.SelectedItem.Value.Trim() ;
Jmail.MailServerUserName =user_name.Text.Trim() ;
Jmail.MailServerPassWord =user_pwd.Text.Trim();
Jmail.Priority=3;
Jmail.Subject =Subject_txt.Text ;
// 邮件内容的空格、回车等替换
string strNews;
strNews=Body_txt.Text;
strNews=strNews.Replace("/r","
");
strNews=strNews.Replace("/0","  ");
strNews=strNews.Replace("/t","    ");
strNews=strNews.Replace(" ","  ");
//
Jmail.HTMLBody=strNews ;
//Jmail.ContentType ="text/html" ; //若发送附件则删除本句
Jmail.Charset ="gb2312" ;
Jmail.Encoding ="base64" ;
Jmail.ISOEncodeHeaders = false;

string file;
file=filepath_txt.Text.Trim();
if(file!="")
{
Jmail.AddAttachment(file,true,null);//
}
string mail;
mail=recipient.Text.Trim();
Jmail.AddRecipient(mail,"","") ;
switch(mail_ddlst.SelectedItem.Text.Trim())
{
case "TPCO":
smtp="dns.tpco.com.cn";
break;
case "163信箱":
smtp="smtp.163.com";
break;
case "新浪100":
smtp="smtp.sina100.com";
break;

}
Jmail.Send(smtp,false);
ok_error.Text="Ok! 发件人:"+user_name.Text.Trim()+mail_ddlst.SelectedItem.Value.Trim();
ok_error.ForeColor=Color.Green;
}
catch
{
ok_error.Text="Error!";
ok_error.ForeColor=Color.Red;
}
ok_error.Visible=true;
}


private void Send_mail_Click(object sender, System.EventArgs e)
{
if(recipient.Text!=""){
send();
}
else{
ok_error.Text="请写好'收件人'地址!";
ok_error.ForeColor=Color.Red;
ok_error.Visible=true;
}
recipient.Text="";
Subject_txt.Text="";
Body_txt.Text="";
filepath_txt.Text="";
}

private void Attachment_Click(object sender, System.EventArgs e)
{
Label6.Visible=true;
//filepath_txt.Text="c://test.jpg";
filepath_txt.Text=File1.PostedFile.FileName.ToString();

}

private void Reset_write_Click(object sender, System.EventArgs e)
{
Body_txt.Text="";
//Body_txt.set
}

}
}

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