net的发送邮箱功能

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.Net;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        MailAddress from = new MailAddress("alexyuan2010@gmail.com","alex");
        MailAddress to = new MailAddress("408599029@qq.com", "alexyuan");
        MailMessage mymail = new MailMessage(to, from);
        mymail.Subject = "1";
        mymail.Body = "<a href=/"http://www.1040baojian.com/">连接</a>";
        SmtpClient client = new SmtpClient("smtp.qq.com");//需要你的邮箱开设smtp服务         client.UseDefaultCredentials = true;
        client.Credentials = new NetworkCredential("408599029@qq.com", "xxxx");//添加你的邮箱的用户名和密码
        client.DeliveryMethod = SmtpDeliveryMethod.Network;
        mymail.IsBodyHtml = true;
        client.Send(mymail);
    }
}