public RelayVariablesManager(RelayServer server, Relay_Session relaySession, string errorText, Mail_Message message)
{
this.m_pRelayServer = server;
this.m_pRelaySession = relaySession;
this.m_ErrorText = errorText;
this.m_pMessageStream = relaySession.MessageStream;
this.m_pMime = message;
}
/// <summary>
/// Default constructor.
/// </summary>
public RelayVariablesManager(RelayServer server,Relay_Session relaySession,string errorText,Mail_Message message)
{
m_pRelayServer = server;
m_pRelaySession = relaySession;
m_ErrorText = errorText;
m_pMessageStream = relaySession.MessageStream;
m_pMime = message;
}
protected override void OnSessionCompleted(Relay_Session session, Exception exception)
{
base.OnSessionCompleted(session, exception);
try
{
FileStream fileStream = (FileStream)session.MessageStream;
RelayMessageInfo relayMessageInfo = (RelayMessageInfo)session.QueueTag;
bool flag = false;
if (exception == null)
{
flag = true;
this.Send_DSN_Relayed(session);
}
else
{
bool flag2 = false;
if (exception is SMTP_ClientException)
{
flag2 = ((SMTP_ClientException)exception).IsPermanentError;
}
if (flag2 || relayMessageInfo.Date.AddMinutes((double)this.m_UndeliveredAfter) < DateTime.Now)
{
this.Send_DSN_Failed(session, exception.Message);
flag = true;
}
else if (session.Queue.Name.ToLower() == "relay")
{
session.MessageStream.Position = 0L;
this.StoreRelayMessage("Retry", Path.GetFileNameWithoutExtension(fileStream.Name), relayMessageInfo.EnvelopeID, relayMessageInfo.Date, session.MessageStream, relayMessageInfo.HostEndPoint, relayMessageInfo.Sender, relayMessageInfo.Recipient, relayMessageInfo.OriginalRecipient, relayMessageInfo.DSN_Notify, relayMessageInfo.DSN_Ret);
flag = true;
}
else if (!relayMessageInfo.DelayedDeliveryNotifySent && DateTime.Now > relayMessageInfo.Date.AddMinutes((double)this.DelayedDeliveryNotifyAfter))
{
this.Send_DSN_Delayed(session, exception.Message);
relayMessageInfo.DelayedDeliveryNotifySent = true;
File.WriteAllBytes(fileStream.Name.Replace(".eml", ".info"), relayMessageInfo.ToByte());
}
}
if (flag)
{
File.Delete(fileStream.Name);
File.Delete(fileStream.Name.Replace(".eml", ".info"));
}
fileStream.Dispose();
}
catch (Exception x)
{
DataSmart.MailServer.Error.DumpError(this.m_pVirtualServer.Name, x);
}
}
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);
}
}
/// <summary>
/// Creates and sends "Message delivery failed" to message sender.
/// </summary>
/// <param name="session">Relay_Session.</param>
/// <param name="error">Permanent error happened.</param>
private void Send_DSN_Failed(Relay_Session session, string error)
{
try{
// No sender specified, can't send notify, just skip it.
if (string.IsNullOrEmpty(session.From))
{
return;
}
RelayMessageInfo relayInfo = (RelayMessageInfo)session.QueueTag;
// Send DSN only if user has not specified at all or has specified "failure".
if (relayInfo.DSN_Notify != SMTP_DSN_Notify.NotSpecified && (relayInfo.DSN_Notify & SMTP_DSN_Notify.Failure) == 0)
{
return;
}
session.MessageStream.Position = 0;
Mail_Message relayMessage = Mail_Message.ParseFromStream(session.MessageStream);
RelayVariablesManager variablesMgr = new RelayVariablesManager(this, session, error, relayMessage);
ServerReturnMessage messageTemplate = this.UndeliveredMessage;
if (messageTemplate == null)
{
string bodyRtf = "" +
"{\\rtf1\\ansi\\ansicpg1252\\deff0\\deflang1033{\\fonttbl{\\f0\\fswiss\\fprq2\\fcharset0 Verdana;}{\\f1\\fswiss\\fprq2\\fcharset186 Verdana;}{\\f2\\fnil\\fcharset0 Verdana;}{\\f3\\fnil\\fcharset186 Verdana;}{\\f4\\fswiss\\fcharset0 Arial;}{\\f5\\fswiss\\fcharset186{\\*\\fname Arial;}Arial Baltic;}}\r\n" +
"{\\colortbl ;\\red0\\green64\\blue128;\\red255\\green0\\blue0;\\red0\\green128\\blue0;}\r\n" +
"\\viewkind4\\uc1\\pard\\f0\\fs20 Your message t\\lang1061\\f1 o \\cf1\\lang1033\\f2 <#relay.to>\\cf0\\f0 , dated \\b\\fs16 <#message.header[\"Date:\"]>\\b0\\fs20 , could not be delivered.\\par\r\n" +
"\\par\r\n" +
"Recipient \\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\n" +
"\\b * Server will not attempt to deliver this message anymore\\b0 .\\par\r\n" +
"\\par\r\n" +
"--------\\par\r\n" +
"\\par\r\n" +
"Your 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\\f5\\par\r\n" +
"\\lang1033\\f2\\par\r\n" +
"}\r\n";
messageTemplate = new ServerReturnMessage("Undelivered notice: <#message.header[\"Subject:\"]>", bodyRtf);
}
string rtf = variablesMgr.Process(messageTemplate.BodyTextRtf);
Mail_Message dsnMessage = DeliveryStatusNotification.CreateDsnMessage(
session.From,
variablesMgr.Process(messageTemplate.Subject),
rtf,
relayInfo.EnvelopeID,
relayInfo.Date,
null,
(session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName,
relayInfo.OriginalRecipient,
session.To,
"failed",
error,
session.RemoteHostName,
DateTime.Now,
DateTime.MinValue,
(relayInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.FullMessage : relayInfo.DSN_Ret,
relayMessage
);
using (MemoryStream strm = new MemoryStream()){
dsnMessage.ToStream(strm, new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q, Encoding.UTF8), Encoding.UTF8);
m_pVirtualServer.ProcessAndStoreMessage("", new string[] { session.From }, strm, null);
}
relayMessage.Dispose();
dsnMessage.Dispose();
}
catch (Exception x) {
LumiSoft.MailServer.Error.DumpError(m_pVirtualServer.Name, x);
}
}
/// <summary>
/// Raises <b>SessionCompleted</b> event.
/// </summary>
/// <param name="session">Session what completed processing.</param>
/// <param name="exception">Exception happened or null if relay completed successfully.</param>
protected override void OnSessionCompleted(Relay_Session session, Exception exception)
{
base.OnSessionCompleted(session, exception);
try{
FileStream messageStream = (FileStream)session.MessageStream;
RelayMessageInfo messageInfo = (RelayMessageInfo)session.QueueTag;
bool deleteMessage = false;
// Message relayed sucessfully, delete message.
if (exception == null)
{
deleteMessage = true;
Send_DSN_Relayed(session);
}
// Message relay failed.
else
{
bool permanentError = false;
if (exception is SMTP_ClientException)
{
permanentError = ((SMTP_ClientException)exception).IsPermanentError;
}
// If permanent error or undelivered time reached, send undelivered message to sender and delete message.
if (permanentError || messageInfo.Date.AddMinutes(m_UndeliveredAfter) < DateTime.Now)
{
// Send undelivered notify message.
Send_DSN_Failed(session, exception.Message);
deleteMessage = true;
}
else
{
// Move message to "Retry" queue.
if (session.Queue.Name.ToLower() == "relay")
{
session.MessageStream.Position = 0;
StoreRelayMessage(
"Retry",
Path.GetFileNameWithoutExtension(messageStream.Name),
messageInfo.EnvelopeID,
messageInfo.Date,
session.MessageStream,
messageInfo.HostEndPoint,
messageInfo.Sender,
messageInfo.Recipient,
messageInfo.OriginalRecipient,
messageInfo.DSN_Notify,
messageInfo.DSN_Ret
);
deleteMessage = true;
}
else
{
// See delayed delivery warning must be sent.
if (!messageInfo.DelayedDeliveryNotifySent && DateTime.Now > messageInfo.Date.AddMinutes(this.DelayedDeliveryNotifyAfter))
{
Send_DSN_Delayed(session, exception.Message);
// Update relay mesage info UndeliveredWarning flag.
messageInfo.DelayedDeliveryNotifySent = true;
File.WriteAllBytes(messageStream.Name.Replace(".eml", ".info"), messageInfo.ToByte());
}
}
}
}
if (deleteMessage)
{
File.Delete(messageStream.Name);
File.Delete(messageStream.Name.Replace(".eml", ".info"));
}
messageStream.Dispose();
}
catch (Exception x) {
LumiSoft.MailServer.Error.DumpError(m_pVirtualServer.Name, x);
}
}
/// <summary>
/// Sends deliver-status-notification 'success' message.
/// </summary>
/// <param name="session">Relay session.</param>
private void Send_DSN_Relayed(Relay_Session session)
{
if(session == null){
return;
}
try{
// No sender specified, can't send notify, just skip it.
if(string.IsNullOrEmpty(session.From)){
return;
}
RelayMessageInfo relayInfo = (RelayMessageInfo)session.QueueTag;
// Send DSN only if user has specified "success".
if((relayInfo.DSN_Notify & SMTP_DSN_Notify.Success) == 0){
return;
}
session.MessageStream.Position = 0;
Mail_Message relayMessage = Mail_Message.ParseFromStream(session.MessageStream);
RelayVariablesManager variablesMgr = new RelayVariablesManager(this,session,"",relayMessage);
ServerReturnMessage messageTemplate = null;
if(messageTemplate == null){
string bodyRtf = "" +
"{\\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\n" +
"Your 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";
messageTemplate = new ServerReturnMessage("DSN SUCCESSFULLY RELAYED: <#message.header[\"Subject:\"]>",bodyRtf);
}
string rtf = variablesMgr.Process(messageTemplate.BodyTextRtf);
Mail_Message dsnMessage = DeliveryStatusNotification.CreateDsnMessage(
session.From,
variablesMgr.Process(messageTemplate.Subject),
rtf,
relayInfo.EnvelopeID,
relayInfo.Date,
null,
(session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName,
relayInfo.OriginalRecipient,
session.To,
"relayed",
"200 OK",
session.RemoteHostName,
DateTime.MinValue,
DateTime.MinValue,
(relayInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.Headers : relayInfo.DSN_Ret,
relayMessage
);
using(MemoryStream strm = new MemoryStream()){
dsnMessage.ToStream(strm,new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q,Encoding.UTF8),Encoding.UTF8);
m_pVirtualServer.ProcessAndStoreMessage("",new string[]{session.From},strm,null);
}
relayMessage.Dispose();
dsnMessage.Dispose();
}
catch(Exception x){
LumiSoft.MailServer.Error.DumpError(m_pVirtualServer.Name,x);
}
}
/// <summary>
/// Creates and sends "Delayed delivery notify" to message sender.
/// </summary>
/// <param name="session">Relay_Session.</param>
/// <param name="error">Error happened.</param>
private void Send_DSN_Delayed(Relay_Session session,string error)
{
try{
// No sender specified, can't send notify, just skip it.
if(string.IsNullOrEmpty(session.From)){
return;
}
RelayMessageInfo relayInfo = (RelayMessageInfo)session.QueueTag;
// Send DSN only if user has not specified at all or has specified "delay".
if(relayInfo.DSN_Notify != SMTP_DSN_Notify.NotSpecified && (relayInfo.DSN_Notify & SMTP_DSN_Notify.Delay) == 0){
return;
}
session.MessageStream.Position = 0;
Mail_Message relayMessage = Mail_Message.ParseFromStream(session.MessageStream);
RelayVariablesManager variablesMgr = new RelayVariablesManager(this,session,error,relayMessage);
ServerReturnMessage messageTemplate = this.DelayedDeliveryMessage;
if(messageTemplate == null){
string bodyRtf = "" +
"{\\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\n" +
"Recipient \\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\n" +
"Please 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\n" +
"Your 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";
messageTemplate = new ServerReturnMessage("Delayed delivery notice: <#message.header[\"Subject:\"]>",bodyRtf);
}
string rtf = variablesMgr.Process(messageTemplate.BodyTextRtf);
Mail_Message dsnMessage = DeliveryStatusNotification.CreateDsnMessage(
session.From,
variablesMgr.Process(messageTemplate.Subject),
rtf,
relayInfo.EnvelopeID,
relayInfo.Date,
null,
(session.IsConnected && string.IsNullOrEmpty(session.LocalHostName)) ? session.LocalEndPoint.Address.ToString() : session.LocalHostName,
relayInfo.OriginalRecipient,
session.To,
"delayed",
error,
session.RemoteHostName,
DateTime.Now,
relayInfo.Date.AddMinutes(this.UndeliveredAfter),
(relayInfo.DSN_Ret == SMTP_DSN_Ret.NotSpecified) ? SMTP_DSN_Ret.FullMessage : relayInfo.DSN_Ret,
relayMessage
);
using(MemoryStream strm = new MemoryStream()){
dsnMessage.ToStream(strm,new MIME_Encoding_EncodedWord(MIME_EncodedWordEncoding.Q,Encoding.UTF8),Encoding.UTF8);
m_pVirtualServer.ProcessAndStoreMessage("",new string[]{session.From},strm,null);
}
relayMessage.Dispose();
dsnMessage.Dispose();
}
catch(Exception x){
LumiSoft.MailServer.Error.DumpError(m_pVirtualServer.Name,x);
}
}
/// <summary>
/// Raises <b>SessionCompleted</b> event.
/// </summary>
/// <param name="session">Session what completed processing.</param>
/// <param name="exception">Exception happened or null if relay completed successfully.</param>
protected override void OnSessionCompleted(Relay_Session session,Exception exception)
{
base.OnSessionCompleted(session,exception);
try{
FileStream messageStream = (FileStream)session.MessageStream;
RelayMessageInfo messageInfo = (RelayMessageInfo)session.QueueTag;
bool deleteMessage = false;
// Message relayed sucessfully, delete message.
if(exception == null){
deleteMessage = true;
Send_DSN_Relayed(session);
}
// Message relay failed.
else{
bool permanentError = false;
if(exception is SMTP_ClientException){
permanentError = ((SMTP_ClientException)exception).IsPermanentError;
}
// If permanent error or undelivered time reached, send undelivered message to sender and delete message.
if(permanentError || messageInfo.Date.AddMinutes(m_UndeliveredAfter) < DateTime.Now){
// Send undelivered notify message.
Send_DSN_Failed(session,exception.Message);
deleteMessage = true;
}
else{
// Move message to "Retry" queue.
if(session.Queue.Name.ToLower() == "relay"){
session.MessageStream.Position = 0;
StoreRelayMessage(
"Retry",
Path.GetFileNameWithoutExtension(messageStream.Name),
messageInfo.EnvelopeID,
messageInfo.Date,
session.MessageStream,
messageInfo.HostEndPoint,
messageInfo.Sender,
messageInfo.Recipient,
messageInfo.OriginalRecipient,
messageInfo.DSN_Notify,
messageInfo.DSN_Ret
);
deleteMessage = true;
}
else{
// See delayed delivery warning must be sent.
if(!messageInfo.DelayedDeliveryNotifySent && DateTime.Now > messageInfo.Date.AddMinutes(this.DelayedDeliveryNotifyAfter)){
Send_DSN_Delayed(session,exception.Message);
// Update relay mesage info UndeliveredWarning flag.
messageInfo.DelayedDeliveryNotifySent = true;
File.WriteAllBytes(messageStream.Name.Replace(".eml",".info"),messageInfo.ToByte());
}
}
}
}
if(deleteMessage){
File.Delete(messageStream.Name);
File.Delete(messageStream.Name.Replace(".eml",".info"));
}
messageStream.Dispose();
}
catch(Exception x){
LumiSoft.MailServer.Error.DumpError(m_pVirtualServer.Name,x);
}
}