C# 发送邮件

using System.Net.Mail;

MailMessage mmsg = new MailMessage();
mmsg.From = new MailAddress("");//发件邮箱地址
mmsg.To.Add("");//收件邮箱地址
mmsg.Subject = "";//邮件标题
mmsg.Body = "";//邮件内容
SmtpClient smtp = new SmtpClient();//邮件传输协议
smtp.Credentials = new System.Net.NetworkCredential("", "");//部署协议里的发件邮箱地址和授权码
smtp.Host = "";//部署传输主机的IP
smtp.Send(mmsg);//发送邮件