System.Net.Mail 邮件发送

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;

public partial class Default3 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
MailAddress MessageFrom = new MailAddress("itcaimeng@gmail.com"); //发件人邮箱地址
string MessageTo = "lwjdg@126.com"; //收件人邮箱地址
string MessageSubject = "测试例子"; //邮件主题
string MessageBody = "测试的例子终于成功了，很开心啊！"; //邮件内容
if (Send(MessageFrom, MessageTo, MessageSubject, MessageBody))
{
Response.Write("发送邮件成功");
}
else
{
Response.Write("发送邮件失败");
}
}
/// <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>
/// <returns> </returns>
public bool Send(MailAddress MessageFrom, string MessageTo, string MessageSubject, string MessageBody)
{
MailMessage message = new MailMessage();
message.From = MessageFrom;
message.To.Add(MessageTo); //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

SmtpClient sc = new SmtpClient();
sc.Host = "smtp.gmail.com"; //指定发送邮件的服务器地址或IP
//sc.Port = 587; //指定发送邮件端口
sc.UseDefaultCredentials = true;
sc.EnableSsl = true;
sc.Credentials = new System.Net.NetworkCredential("itcaimeng", "19881028"); //指定登录服务器的用户名和密码
try
{
sc.Send(message); //发送邮件
}
catch(Exception e)
{
Response.Write(e.Message);
return false;
}
return true;
}
}