private void Send_DSN_Relayed(Relay_Session session)
 {
     if (session == null)
     {
         return;
     }
     try
     {
         if (!string.IsNullOrEmpty(session.From))
         {
             RelayMessageInfo relayMessageInfo = (RelayMessageInfo)session.QueueTag;
             if ((relayMessageInfo.DSN_Notify & SMTP_DSN_Notify.Success) != SMTP_DSN_Notify.NotSpecified)
             {
                 session.MessageStream.Position = 0L;
                 Mail_Message          mail_Message          = Mail_Message.ParseFromStream(session.MessageStream);
                 RelayVariablesManager relayVariablesManager = new RelayVariablesManager(this, session, "", mail_Message);
                 ServerReturnMessage   serverReturnMessage   = null;
                 if (serverReturnMessage == null)
                 {
                     string bodyTextRft = "{\\rtf1\\ansi\\ansicpg1257\\deff0\\deflang1061{\\fonttbl{\\f0\\froman\\fcharset0 Times New Roman;}{\\f1\froman\\fcharset186{\\*\\fname Times New Roman;}Times New Roman Baltic;}{\\f2\fswiss\\fcharset186{\\*\\fname Arial;}Arial Baltic;}}\r\n{\\colortbl ;\\red0\\green128\\blue0;\\red128\\green128\\blue128;}\r\n{\\*\\generator Msftedit 5.41.21.2508;}\\viewkind4\\uc1\\pard\\sb100\\sa100\\lang1033\\f0\\fs24\\par\r\nYour message WAS SUCCESSFULLY RELAYED to:\\line\\lang1061\\f1\\tab\\cf1\\lang1033\\b\\f0 <" + session.To + ">\\line\\cf0\\b0 and you explicitly requested a delivery status notification on success.\\par\\par\r\n\\cf2 Your original message\\lang1061\\f1 /header\\lang1033\\f0  is attached to this e-mail\\lang1061\\f1 .\\lang1033\\f0\\par\\r\\n\\cf0\\line\\par\r\n\\pard\\lang1061\\f2\\fs20\\par\r\n}\r\n";
                     serverReturnMessage = new ServerReturnMessage("DSN SUCCESSFULLY RELAYED: <#message.header[\"Subject:\"]>", bodyTextRft);
                 }
                 string       rtfText       = relayVariablesManager.Process(serverReturnMessage.BodyTextRtf);
                 Mail_Message mail_Message2 = DeliveryStatusNotification.CreateDsnMessage(session.From, relayVariablesManager.Process(serverReturnMessage.Subject), rtfText, relayMessageInfo.EnvelopeID, relayMessageInfo.Date, null, (session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName, relayMessageInfo.OriginalRecipient, session.To, "relayed", "200 OK", session.RemoteHostName, DateTime.MinValue, DateTime.MinValue, (relayMessageInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.Headers : relayMessageInfo.DSN_Ret, mail_Message);
                 using (MemoryStream memoryStream = new MemoryStream())
                 {
                     mail_Message2.ToStream(memoryStream, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
                     this.m_pVirtualServer.ProcessAndStoreMessage("", new string[]
                     {
                         session.From
                     }, memoryStream, null);
                 }
                 mail_Message.Dispose();
                 mail_Message2.Dispose();
             }
         }
     }
     catch (Exception x)
     {
         DataSmart.MailServer.Error.DumpError(this.m_pVirtualServer.Name, x);
     }
 }
 private void Send_DSN_Delayed(Relay_Session session, string error)
 {
     try
     {
         if (!string.IsNullOrEmpty(session.From))
         {
             RelayMessageInfo relayMessageInfo = (RelayMessageInfo)session.QueueTag;
             if (relayMessageInfo.DSN_Notify == SMTP_DSN_Notify.NotSpecified || (relayMessageInfo.DSN_Notify & SMTP_DSN_Notify.Delay) != SMTP_DSN_Notify.NotSpecified)
             {
                 session.MessageStream.Position = 0L;
                 Mail_Message          mail_Message          = Mail_Message.ParseFromStream(session.MessageStream);
                 RelayVariablesManager relayVariablesManager = new RelayVariablesManager(this, session, error, mail_Message);
                 ServerReturnMessage   serverReturnMessage   = this.DelayedDeliveryMessage;
                 if (serverReturnMessage == null)
                 {
                     string bodyTextRft = "{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1033{\\fonttbl{\\f0\\fnil\\fcharset0 Verdana;}{\\f1\\fnil\\fcharset186 Verdana;}{\\f2\\fswiss\\fcharset186{\\*\\fname Arial;}Arial Baltic;}{\\f3\\fnil\\fcharset0 Microsoft Sans Serif;}}\r\n{\\colortbl ;\\red0\\green64\\blue128;\\red255\\green0\\blue0;\\red0\\green128\\blue0;}\r\n\\viewkind4\\uc1\\pard\\f0\\fs20 This e-mail is generated by the Server(\\cf1 <#relay.hostname>\\cf0 )  to notify you, \\par\r\n\\lang1061\\f1 that \\lang1033\\f0 your message to \\cf1 <#relay.to>\\cf0  dated \\b\\fs16 <#message.header[\"Date:\"]>\\b0  \\fs20 could not be sent at the first attempt.\\par\r\n\\par\r\nRecipient \\i <#relay.to>'\\i0 s Server (\\cf1 <#relay.session_hostname>\\cf0 ) returned the following response: \\cf2 <#relay.error>\\cf0\\par\r\n\\par\r\n\\par\r\nPlease note Server will attempt to deliver this message for \\b <#relay.undelivered_after>\\b0  hours.\\par\r\n\\par\r\n--------\\par\r\n\\par\r\nYour original message is attached to this e-mail (\\b data.eml\\b0 )\\par\r\n\\par\r\n\\fs16 The tracking number for this message is \\cf3 <#relay.session_messageid>\\cf0\\fs20\\par\r\n\\lang1061\\f2\\par\r\n\\pard\\lang1033\\f3\\fs17\\par\r\n}\r\n";
                     serverReturnMessage = new ServerReturnMessage("Delayed delivery notice: <#message.header[\"Subject:\"]>", bodyTextRft);
                 }
                 string       rtfText       = relayVariablesManager.Process(serverReturnMessage.BodyTextRtf);
                 Mail_Message mail_Message2 = DeliveryStatusNotification.CreateDsnMessage(session.From, relayVariablesManager.Process(serverReturnMessage.Subject), rtfText, relayMessageInfo.EnvelopeID, relayMessageInfo.Date, null, (session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName, relayMessageInfo.OriginalRecipient, session.To, "delayed", error, session.RemoteHostName, DateTime.Now, relayMessageInfo.Date.AddMinutes((double)this.UndeliveredAfter), (relayMessageInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.FullMessage : relayMessageInfo.DSN_Ret, mail_Message);
                 using (MemoryStream memoryStream = new MemoryStream())
                 {
                     mail_Message2.ToStream(memoryStream, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
                     this.m_pVirtualServer.ProcessAndStoreMessage("", new string[]
                     {
                         session.From
                     }, memoryStream, null);
                 }
                 mail_Message.Dispose();
                 mail_Message2.Dispose();
             }
         }
     }
     catch (Exception x)
     {
         DataSmart.MailServer.Error.DumpError(this.m_pVirtualServer.Name, x);
     }
 }