.NET 发送邮件

                MailMessage mailObj = new MailMessage();
                mailObj.From = new MailAddress("whywhatlove8@126.com"); //发送人邮箱地址
                mailObj.To.Add("1158177956@qq.com");   //收件人邮箱地址
                mailObj.Subject = "主题测试";    //主题
                mailObj.Body = "正文测试";    //正文
                SmtpClient smtp = new SmtpClient();
                smtp.Host = "smtp.126.com";         //smtp服务器名称
                smtp.UseDefaultCredentials = true;
                smtp.Credentials = new NetworkCredential("whywhatlove8@126.com", "8979732");  //发送人的登录名和密码
                smtp.Send(mailObj);