So, found it... I case anybody cares:

the SMTP timeout for remote mailservers was set (too) low, timeout expired and the message could not be deliverd.

The second connection the server was making was not trying to deliver the message... It was sending us a NDR message... DUH!

Problem solved!

Hi, Our system processes thousands of outgoing messages per day. recently one of our clients stopped receiving our emails. Turning to the trusted logs I traced a message, this is what I get: Trace: Tracing message with Message ID [3CE5BF1544434C70A843FB8FC8FEB117.MAI] from the SMTP Inbound Queue Sta...

Hi, I am wondering what would be the best way to do this: I have several automated processes that use an SMTP connection to my mailenable server to send email. I would like to process the status of the message in my backend system. a messages would move through the system: accepted by smtp, queued, ...

Hi, We use a mailbox delivery event to process emails for a certain address. I've just found out that for some reason the event is not triggered for Delivery Failure notifications. Does anybody have experience with this? is this designed behavour or a bug? I would like to process these as well.... C...

Hey all, I had similar problems. For me the solution was the run these commands: CACLS "C:\Program Files\Mail Enable\Config" /t /e /g IME_ADMIN:F CACLS "C:\Program Files\Mail Enable\Queues" /t /e /g IME_ADMIN:F CACLS "C:\Program Files\Mail Enable\Postoffices" /t /e /g IME_ADMIN:F CACLS "C:\Program F...

Hi,

I have a custom action defined for a mailbox that moves messages to a database.

It seems the action is not called at all for delivery failure messages delivered to this mailbox....

Can anybody help me out here?