.net发送邮件代码示例

下面的代理已经调试过，用的是163的SMTP

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net.Mail;
using System.Text;
using System.Net;

namespace Test.Email
{
    public partial class TestEmail : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {

            }
        }

        protected void btnSendEmail_Click(object sender, EventArgs e)
        {
            MailAddress MessageFrom = new MailAddress("XXXX@163.com");   //发件人邮箱地址
            string MessageTo = xx@xx.com;   //收件人邮箱地址
            string MessageSubject = "测试邮件发送";         //邮件主题
            string MessageBody = "如果你收到消息，那我的邮件就测试成功了，大功告成！";    //邮件内容
            try
            {
                Send(MessageFrom, MessageTo, MessageSubject, MessageBody);
                Response.Write("发送邮件成功");
            }
            catch (Exception ex)
            {
                Response.Write("发送邮件失败" + ex.Message);
            }

        }

        /// <summary>
        /// 发送电子邮件
        /// </summary>
        /// <param name="MessageFrom">发件人邮箱地址</param>
        /// <param name="MessageTo">收件人邮箱地址</param>
        /// <param name="MessageSubject">邮件主题</param>
        /// <param name="MessageBody">邮件内容</param>
        public void Send(MailAddress MessageFrom, string MessageTo, string MessageSubject, string MessageBody)
        {
            MailMessage message = new MailMessage();

            message.From = MessageFrom;
            string[] ss = MessageTo.Split(';');
            foreach (string s in ss)
                message.To.Add(s);              //收件人邮箱地址可以是多个以实现群发
            message.Subject = MessageSubject;
            message.Body = MessageBody;
            message.IsBodyHtml = true;              //是否为html格式
            message.Priority = MailPriority.High;   //发送邮件的优先等级
            message.SubjectEncoding = Encoding.Default;
            message.BodyEncoding = Encoding.Default;
            SmtpClient sc = new SmtpClient();
            sc.Host = "smtp.163.com";              //指定发送邮件的服务器地址或IP
            sc.Port = 25;                           //指定发送邮件端口
            sc.Credentials = new System.Net.NetworkCredential("用户名", "密码"); //指定登录服务器的用户名（不带后缀）和密码
            try
            {
                sc.Send(message);       //发送邮件
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message);
            }
        }

    }
}