.net SMTP 发送邮件

using System.Net.Mail;


public static bool SendMail(string messTo,string messBody)
        {
            MailMessage mess = new MailMessage();
            mess.From = new MailAddress("mmm306306@163.com", "报警系统");//发件人
            mess.Subject = "报警系统";//主题
            mess.IsBodyHtml = true;//允许HTML
            mess.BodyEncoding = System.Text.Encoding.UTF8;//编码
            mess.Body = messBody;
            SmtpClient client = new SmtpClient();//new 出 客服端的 smtp
            client.Host = "smtp.163.com";
            client.Credentials = new System.Net.NetworkCredential("mmm306306", "xxxxxxxxx");//需要发件人的账号 密码
            mess.To.Add(new MailAddress(messTo));//收件人 数组（可以群发）
            try
            {
                client.Send(mess);
                return true;
            }
            catch (Exception ex)
            {
                return false;
            }
        }