/// <summary>
/// Stores message for relay.
/// </summary>
/// <param name="queueName">Queue name where to store message.</param>
/// <param name="id">Message ID. Guid value is suggested.</param>
/// <param name="envelopeID">Envelope ID_(MAIL FROM: ENVID).</param>
/// <param name="date">Message date.</param>
/// <param name="message">Message to store. Message will be readed from current position of stream.</param>
/// <param name="targetHost">Target host or IP where to send message. This value can be null, then DNS MX o A record is used to deliver message.</param>
/// <param name="sender">Sender address to report to target server.</param>
/// <param name="to">Message recipient address.</param>
/// <param name="originalRecipient">Original recipient(RCPT TO: ORCPT).</param>
/// <param name="notify">DSN notify condition.</param>
/// <param name="ret">Specifies what parts of message are returned in DSN report.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>queueName</b>,<b>id</b>,<b>message</b> or <b>to</b> is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the argumnets has invalid value.</exception>
private void StoreRelayMessage(string queueName, string id, string envelopeID, DateTime date, Stream message, HostEndPoint targetHost, string sender, string to, string originalRecipient, SMTP_DSN_Notify notify, SMTP_DSN_Ret ret)
{
if (queueName == null)
{
throw new ArgumentNullException("queueName");
}
if (queueName == "")
{
throw new ArgumentException("Argumnet 'queueName' value must be specified.");
}
if (id == null)
{
throw new ArgumentNullException("id");
}
if (id == "")
{
throw new ArgumentException("Argument 'id' value must be specified.");
}
if (message == null)
{
throw new ArgumentNullException("message");
}
if (to == null)
{
throw new ArgumentNullException("to");
}
if (to == "")
{
throw new ArgumentException("Argument 'to' value must be specified.");
}
string path = m_pVirtualServer.MailStorePath + queueName;
// Check if Directory exists, if not Create
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
// Create relay message.
using (FileStream fs = File.Create(API_Utlis.PathFix(path + "\\" + id + ".eml")))
{
SCore.StreamCopy(message, fs);
// Create message info file for the specified relay message.
RelayMessageInfo messageInfo = new RelayMessageInfo(
envelopeID,
sender,
to,
originalRecipient,
notify,
ret,
date,
false,
targetHost
);
File.WriteAllBytes(API_Utlis.PathFix(path + "\\" + id + ".info"), messageInfo.ToByte());
}
}
/// <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>
/// Stores message for relay.
/// </summary>
/// <param name="queueName">Queue name where to store message.</param>
/// <param name="id">Message ID. Guid value is suggested.</param>
/// <param name="envelopeID">Envelope ID_(MAIL FROM: ENVID).</param>
/// <param name="date">Message date.</param>
/// <param name="message">Message to store. Message will be readed from current position of stream.</param>
/// <param name="targetHost">Target host or IP where to send message. This value can be null, then DNS MX o A record is used to deliver message.</param>
/// <param name="sender">Sender address to report to target server.</param>
/// <param name="to">Message recipient address.</param>
/// <param name="originalRecipient">Original recipient(RCPT TO: ORCPT).</param>
/// <param name="notify">DSN notify condition.</param>
/// <param name="ret">Specifies what parts of message are returned in DSN report.</param>
/// <exception cref="ArgumentNullException">Is raised when <b>queueName</b>,<b>id</b>,<b>message</b> or <b>to</b> is null.</exception>
/// <exception cref="ArgumentException">Is raised when any of the argumnets has invalid value.</exception>
private void StoreRelayMessage(string queueName,string id,string envelopeID,DateTime date,Stream message,HostEndPoint targetHost,string sender,string to,string originalRecipient,SMTP_DSN_Notify notify,SMTP_DSN_Ret ret)
{
if(queueName == null){
throw new ArgumentNullException("queueName");
}
if(queueName == ""){
throw new ArgumentException("Argumnet 'queueName' value must be specified.");
}
if(id == null){
throw new ArgumentNullException("id");
}
if(id == ""){
throw new ArgumentException("Argument 'id' value must be specified.");
}
if(message == null){
throw new ArgumentNullException("message");
}
if(to == null){
throw new ArgumentNullException("to");
}
if(to == ""){
throw new ArgumentException("Argument 'to' value must be specified.");
}
string path = m_pVirtualServer.MailStorePath + queueName;
// Check if Directory exists, if not Create
if(!Directory.Exists(path)){
Directory.CreateDirectory(path);
}
// Create relay message.
using(FileStream fs = File.Create(API_Utlis.PathFix(path + "\\" + id + ".eml"))){
SCore.StreamCopy(message,fs);
// Create message info file for the specified relay message.
RelayMessageInfo messageInfo = new RelayMessageInfo(
envelopeID,
sender,
to,
originalRecipient,
notify,
ret,
date,
false,
targetHost
);
File.WriteAllBytes(API_Utlis.PathFix(path + "\\" + id + ".info"),messageInfo.ToByte());
}
}
