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Topic: 550 relay not permitted,Web site can send

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sysdemo
Newbie
Newbie

Joined: 11 April 2014
Location: United States
Online Status: Offline
Posts: 2

Posted: 11 April 2014 at 1:27am \| IP Logged

why >????
[15:22:18.07] [RECV] 550 relay not permitted\r\n
[15:22:18.20] [INFO] Error: The server rejected the given recipient. The server responded: 550 relay not permitted.

Smtp mailer = new Smtp();

               //SmtpServer server = new SmtpServer(SmtpServerIp, int.Parse(port), 1, 30, false, MailBee.AuthenticationMethods.Auto, username, password, false, SmtpServerIp, ExtendedSmtpOptions.NoChunking);
               SmtpServer server = new SmtpServer(SmtpServerIp);
               server.AccountName = username;
               server.Password = password;
               server.Port = int.Parse(port);
               server.SmtpOptions = ExtendedSmtpOptions.NoChunking;
               server.IgnoreLoginFailure = true;

               if (EnableSSL)
               {
                    server.SslProtocol =SecurityProtocol.Ssl3;
               }
               switch (ProxyWay)
               {
                    case "HTTP":
                        server.Proxy.Protocol = ProxyProtocol.Http;
                        server.Proxy.Name = proxyIp;
                        server.Proxy.Port = int.Parse(proxyPort);
                        server.Proxy.AccountName = proxyUid;
                        server.Proxy.Password = proxyPwd;
                        break;
                    case "SOCKS4":
                        server.Proxy.Protocol = ProxyProtocol.Socks4;
                        server.Proxy.Name = proxyIp;
                        server.Proxy.Port = int.Parse(proxyPort);
                        break;
                    case "SOCKS5":
                        server.Proxy.Protocol = ProxyProtocol.Socks5;
                        server.Proxy.Name = proxyIp;
                        server.Proxy.Port = int.Parse(proxyPort);
                        server.Proxy.AccountName = proxyUid;
                        server.Proxy.Password = proxyPwd;
                        break;
                    default:
                        break;
               }
               mailer.SmtpServers.Add(server);

               MailBee.Mime.MailMessage msg = new MailBee.Mime.MailMessage();
               if (charSet != "")
               {
                    msg.Charset = charSet;
               }

               String[] addr = To.Split(',');
               if (sendWay == "TO")
               {
                    for (Byte i = 0; i < addr.Length; i++)
                    {
                        if (addr != "")
                        {
                            msg.To.Add(addr);
                        }
                    }
               }
               else if (sendWay == "CC")
               {
                    for (Byte i = 0; i < addr.Length; i++)
                    {
                        if (addr != "")
                        {
                            msg.Cc.Add(addr);
                        }
                    }
               }
               else
               {
                    for (Byte i = 0; i < addr.Length; i++)
                    {
                        if (addr != "")
                        {
                            msg.Bcc.Add(addr);
                        }
                    }
               }
               if (from == "")
               {
                    from = username;
               }
               msg.From = new MailBee.Mime.EmailAddress(from, SendUsername);
               msg.Subject = Subject;
               msg.ReplyTo.Add(replyTo,SendUsername);
               if (isHtml)
               {
                    msg.BodyHtmlText = Body;
                    msg.MailTransferEncodingHtml = MailTransferEncoding.QuotedPrintable;
                    //msg.Attachments.Add("", "Top.jpg", "123");
                    if (dicEmailImg != null && dicEmailImg.Count > 0)
                    {
                        foreach (string key in dicEmailImg.Keys)
                        {
                            string filename = dicEmailImg[key].Replace("%20", " ");
                            if (!filename.Contains("http://"))
                            {

                                msg.Atta chments.Add(filename,"",key);
                            }
                            else
                            {
                                msg.Body HtmlText = msg.BodyHtmlText.Replace("cid:" + key, dicEmailImg[key].Replace("%20", " "));
                            }
                        }
                    }
               }
               else
               {
                    msg.MailTransferEncodingPlain = MailTransferEncoding.QuotedPrintable;
                    msg.BodyPlainText = Body;
               }
               if (listFile != null)
               {
                    for (int i = 0; i < listFile.Count; i++)
                    {
                        msg.Attachments.Add(listFile);
                    }
               }

               mailer.Message = msg;
               mailer.Log.Enabled = true;
               mailer.Log.Filename = @"C:\log.txt";
               return mailer.Send();

Igor
AfterLogic Support

Joined: 24 June 2008
Location: United States
Online Status: Offline
Posts: 6038

Posted: 11 April 2014 at 3:35am \| IP Logged

The response from server means SMTP authentication was not enabled, and checking the code confirms that. You need to supply SmtpServer.AuthMethods value, otherwise SMTP auth is disabled and username/password values are ignored.

--
Regards,
Igor, AfterLogic Support

sysdemo
Newbie
Newbie

Joined: 11 April 2014
Location: United States
Online Status: Offline
Posts: 2

Posted: 11 April 2014 at 3:46am \| IP Logged

Thanks

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