stmp authentication failed. SmtpClient

Question

Syntax error, command unrecognized. The server response was: authentication failed.    asp.net 写stmp企业邮箱发送邮件时出的错误，问题解决就给分

Answer 1

using System.Net;
using System.Net.Mail;        public static string SendMail(string toMail, string subject, string body, bool IsBodyHtml)
        {
            MailMessage mailMsg = new MailMessage();
            string FormEmail = Configuration.Config.GetFromEmail();
            mailMsg.From = new MailAddress(FormEmail, Configuration.Config.GetFromEmailDisName());
            mailMsg.To.Add(toMail);
            mailMsg.Subject = subject;
            mailMsg.Body = body;
            mailMsg.BodyEncoding = Encoding.UTF8;
            mailMsg.IsBodyHtml = IsBodyHtml;
            mailMsg.Priority = MailPriority.Normal;            SmtpClient smtp = new SmtpClient();
            // 提供身份验证的用户名和密码 
            // 网易邮件用户可能为：username password 
            // Gmail 用户可能为：[email protected] password 
            smtp.Credentials = new NetworkCredential(FormEmail, Configuration.Config.GetFromEmailPwd());
            // 465 doesn't work with System.Net.Mail
            smtp.Port = 587; // Gmail 使用 587 端口 
            smtp.Host = "smtp.gmail.com"; // 如 smtp.163.com, smtp.gmail.com 
            smtp.EnableSsl = true; // 如果使用GMail，则需要设置为true 
            //smtp.SendCompleted += new SendCompletedEventHandler(SendMailCompleted); 
            try
            {
                //object obj = mailMsg;
                //smtp.SendAsync(mailMsg, obj);
                smtp.Send(mailMsg);
                return "ok";
            }
            catch (SmtpException ex)
            {
                return ex.ToString();
            }        }

Answer 2

错误解决了，这个问题是微软的bug，他的认证方式和正常的认证方式不同