发送邮件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Mail;//发送邮箱
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            MailMessage mm = new MailMessage();//信
            mm.Priority = MailPriority.High;
            mm.To.Add("1024477951@qq.com");//收信邮箱
            //mm.CC.Add();//抄送
            mm.From = new MailAddress("1024477951@163.com");//发信邮箱
            //mm.Attachments.Add(new Attachment(文件名))//文件附件
            mm.Subject = "测试";
            mm.BodyEncoding = Encoding.UTF8;
            mm.Body = " <a href='http://localhost:3255/ReceiveMail.aspx?id=11'>请假</a>";//定义信的内容
            mm.IsBodyHtml = true;//设置内容为html格式


            // Smtp:简单邮件传输协议，发邮件   POP3 收邮件
            SmtpClient sc = new SmtpClient();
            sc.DeliveryMethod = SmtpDeliveryMethod.Network;//设置邮件通过网络发送
            sc.Host = "smtp.163.com";//设置邮件服务地址
            sc.Credentials = new System.Net.NetworkCredential("1024477951", "123");//验证发件人身份,"123abc"是发件人密码s
            sc.Send(mm);
            Console.WriteLine("发送成功！");
        }
    }
}