asp.net发送邮件的方法汇总

MailMessage objMailMessage= new MailMessage();
objMailMessage.Attachments.Add( objMailAttachment );//将附件附加到邮件消息对象中

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Net;
using System.Net.Mail;
using System.Text;
public class sendmail
...{
    public SendMail()
    ...{
    }
    private string _host;
    /**//// <summary>
    /// 服务器地址
    /// </summary>
    public string Host
    ...{
get ...{ return _host; }
set ...{ _host = value; }
    }
    private int _port;
    /**//// <summary>
    /// 服务器端口
    /// </summary>
    public int Port
    ...{
get ...{ return _port; }
set ...{ _port = value; }
    }
    private string _smtpUsername;
    /**//// <summary>
    /// 发送人邮箱用户名
    /// </summary>
    public string SmtpUsername
    ...{
get ...{ return _smtpUsername; }
set ...{ _smtpUsername = value; }
    }
    private string _sendemail;
    /**//// <summary>
    /// 发送人邮箱帐号（只接收加密串，发邮件时解密）
    /// </summary>
    public string SendEmail
    ...{
get
...{
    return _sendemail;
}
set ...{ _sendemail = value; }
    }
    private string _replyToEmail;
    /**//// <summary>
    /// 回复人邮箱账号
    /// </summary>
    public string ReplyToEmail
    ...{
get ...{ return _replyToEmail; }
set ...{ _replyToEmail = value; }
    }
    private string _replyUserName;
    /**//// <summary>
    /// 回复人用户名
    /// </summary>
    public string ReplyUserName
    ...{
get ...{ return _replyUserName; }
set ...{ _replyUserName = value; }
    }
    private string _getemail;
    /**//// <summary>
    /// 收件人邮箱帐号
    /// </summary>
    public string GetEmail
    ...{
get ...{ return _getemail; }
set ...{ _getemail = value; }
    }
    private string _smtpPassword;
    /**//// <summary>
    /// 发送人邮箱密码（只接收加密串，发邮件时解密）
    /// </summary>
    public string SmtpPassword
    ...{
get ...{ return _smtpPassword; }
set ...{ _smtpPassword = value; }
    }
    private string _content;
    /**//// <summary>
    /// 邮件内容
    /// </summary>
    public string Content
    ...{
get ...{ return _content; }
set ...{ _content = value; }
    }
    private string _title;
    /**//// <summary>
    /// 邮件标题
    /// </summary>
    public string Title
    ...{
get ...{ return _title; }
set ...{ _title = value; }
    }
    private string[] _cc = null;
    /**//// <summary>
    /// 抄送邮箱
    /// </summary>
    public string[] cc
    ...{
get ...{ return _cc; }
set ...{ _cc = value; }
    }
    private string[] _bcc = null;
    /**//// <summary>
    /// 密送邮箱
    /// </summary>
    public string[] bcc
    ...{
get ...{ return _bcc; }
set ...{ _bcc = value; }
    }
    /**//// <summary>
    ///发送邮件
    /// </summary>
    /// <returns>返回是否成功</returns>
    public bool Send()
    ...{
try
...{
    MailMessage objMailMessage;
    objMailMessage = new MailMessage(SendEmail, _getemail, _title, _content);
    if (!string.IsNullOrEmpty(_replyToEmail) && !string.IsNullOrEmpty(_replyUserName))
    ...{
MailAddress reply = new MailAddress(_replyToEmail, _replyUserName);
objMailMessage.ReplyToList.Add(reply);
    }
    objMailMessage.BodyEncoding = Encoding.GetEncoding(936);
    objMailMessage.IsBodyHtml = true;
    if (cc != null && cc.Length > 0)
    ...{
foreach (string ccAddress in cc)
...{
    objMailMessage.CC.Add(new MailAddress(ccAddress));
}
    }
    if (bcc != null && bcc.Length > 0)
    ...{
foreach (string bccAddress in bcc)
...{
    objMailMessage.Bcc.Add(new MailAddress(bccAddress));
}
    }
    SmtpClient client = new SmtpClient(this._host, this._port);
    if (!String.IsNullOrEmpty(this.SmtpUsername) && !String.IsNullOrEmpty(this.SmtpPassword))
    ...{
client.Credentials = new NetworkCredential(this.SmtpUsername, this.SmtpPassword);
    }
    client.EnableSsl = false;
    client.Send(objMailMessage);
    objMailMessage.Dispose();
    return true;
}
catch
...{
    return false;
}
    }
}
 

 //核心代码开始
 using System.Web.Mail;
 MailMessage objMailMessage;
 MailAttachment objMailAttachment;
 // 创建一个附件对象
 objMailAttachment = new MailAttachment( "d:test.txt" );//发送邮件的附件
 // 创建邮件消息
 objMailMessage = new MailMessage();
 objMailMessage.From = "mysina@sina.com";//源邮件地址
 objMailMessage.To = "scucj@126.com";//目的邮件地址，也就是发给我哈
 objMailMessage.Subject = "邮件发送标题：你好";//发送邮件的标题
 objMailMessage.Body = "邮件发送标内容：测试一下是否发送成功！";//发送邮件的内容
 objMailMessage.Attachments.Add( objMailAttachment );//将附件附加到邮件消息对象中
 //SMTP地址
 SmtpMail.SmtpServer = "192.168.1.100";
 //开始发送邮件
 SmtpMail.Send( objMailMessage );