网站发送Mail功能类

using System;
using System.Web.Mail;
using System.Configuration;
using System.Net.Mail;

/**//// <summary>
/// 网站发送Mail功能类
/// </summary>
public class MailHelper
{
    private static string sendUserName = ConfigurationManager.AppSettings["sendUserName"].Trim();
    private static string sendPassWord = ConfigurationManager.AppSettings["sendPassWord"].Trim();
    private static string SmtpServer = ConfigurationManager.AppSettings["SmtpServer"].Trim();

    public static void JmailSend(string[] ArrtoAdd, string strTitle, string strBody)
    {
        foreach (string toAdd in ArrtoAdd)
        {
            JmailSend(toAdd, strTitle, strBody);
        }
    }

    public static void JmailSend(string toAdd, string strTitle, string strBody)
    {
        jmail.Message Jmail = new jmail.Message();
        Jmail.Silent = true;
        Jmail.Logging = true;
        Jmail.Charset = "gb2312";
        Jmail.ContentType = "text/html";
        Jmail.AddRecipient(toAdd, "", "");
        Jmail.From = sendUserName;
        Jmail.FromName = sendUserName;
        Jmail.MailServerUserName = sendUserName;
        Jmail.MailServerPassWord = sendPassWord;
        Jmail.Subject = strTitle;
        Jmail.Body = strBody;
        Jmail.Send(SmtpServer, false);
        Jmail.Close();
    }

    发送注册邮件#region 发送注册邮件

    public static void Send(string[] ArrtoAdd, string strTitle, string strBody)
    {
        foreach (string toAdd in ArrtoAdd)
        {
            Send(toAdd, strTitle, strBody);
        }
    }

    public static void Send(string toAdd, string strTitle, string strBody)
    {
        System.Web.Mail.MailMessage sendmail = new System.Web.Mail.MailMessage();
        //发送方地址
        sendmail.From = sendUserName;
        //接收方地址
        sendmail.To = toAdd;
        //正文内容类型
        sendmail.BodyFormat = System.Web.Mail.MailFormat.Html;
        //正文内容编码
        sendmail.BodyEncoding = System.Text.Encoding.Default;
        //主题 
        sendmail.Subject = strTitle;
        //内容
        sendmail.Body = strBody;
        //设置为需要用户验证 
        sendmail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");
        //设置验证用户名 
        sendmail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername", sendUserName);
        //设置验证密码 
        sendmail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword", sendPassWord);
        //邮件服务器地址(如smtp.163.com) 
        System.Web.Mail.SmtpMail.SmtpServer = SmtpServer;
        try
        {
            SmtpMail.Send(sendmail);
        }
        catch (Exception ex)
        { }
    }
    #endregion
}

一个很简单的邮件发送类.
点击下载