We have a strange situation here. It seems that some e-mail are being sent to a user 10-20 times. Checking the ASG log, it shows that every mail getting though has a new id, which means that the gateway is getting a new connection from remote server(s) every time the mail goes through.
I see it this way, that the remote sending mailserver sends the mail to the gateway, and the gateway sends an acknowledge back to the remote sending mailserver, but that acknowledge does not get though to the sending server, whom times out after a while and resends the mail. What happens current at the gateway is that, it send the mail to the reciever and sends the acknowledge, and that's it. Suddenly the acknowledge is recieved at the remote sending mailserver, and it stops sending more messages.
I was told that Exim once had a problem with this issue, but my guess is that it should have been solved. What version of Exim is the current ASG 6 running with, and could it be that problem/issue I'm having?
I can see from MIME header of a message that the Exim is at version 'Exim 4.43'.
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