.Net实现发送邮件功能

public ActionResult AddPost()
        {
            ResponseResult result = new ResponseResult();
            StringBuilder strInfo = new StringBuilder();
            strInfo.Append(string.Format("你好-----------------------------"));//邮件主体内容（自己拼接的）
            string fromEmail = "123456@163.com";//发件邮箱
            string emailPwd = "123456";//发件邮箱密码
            string toEmail = "123456@163.com";//收件邮箱
            string emailTitle = "你好----------------------------";//邮件标题
            string emailContent = strInfo.ToString();//邮件主体内容
            string SmtpHost = "smtp.163.com";
            int SmtpPort = 25;
            if (EmailHelp.SmtpMailSend(SmtpHost, SmtpPort, fromEmail, emailPwd, emailTitle, emailContent, true, toEmail))
            {
                result.success = true;
                result.message = "邮件发送成功";
            }
            else
            {
                result.message = "邮件发送失败";
            }
            return Json(result);
        }

<----------------------------------------调用SmtpMailSend------------------------------------------->

public static bool SmtpMailSend(string smtpHost, int smtpPort, string fromAddress, string mailPassword, string title, string body, bool isBodyHtml, params string[] recipient)
        {
            try
            {

MailMessage myMail = new MailMessage();
                myMail.From = new MailAddress(fromAddress);

foreach (string item in recipient)
                {
                    if (!string.IsNullOrEmpty(item))
                        myMail.To.Add(new MailAddress(item));
                }
                myMail.Subject = title; //邮件标题
                myMail.SubjectEncoding = Encoding.UTF8;//标题编码

myMail.Body = body;//邮件主体
                myMail.BodyEncoding = Encoding.UTF8;
                myMail.IsBodyHtml = isBodyHtml;//是否HTML

SmtpClient smtp = new SmtpClient();
                smtp.Host = smtpHost;
                smtp.Port = smtpPort; //Gmail的smtp端口

smtp.UseDefaultCredentials = true;
                smtp.Credentials = new System.Net.NetworkCredential(fromAddress, mailPassword);
                //smtp.EnableSsl = true; //Gmail要求SSL连接
                //smtp.DeliveryMethod = SmtpDeliveryMethod.Network; //Gmail的发送方式是通过网络的方式，需要指定
                try
                {
                    smtp.Send(myMail);
                    return true;
                }
                catch
                {
                    return false;
                }
            }
            catch
            {
                return false;
            }
        }