Hi,

        I had a simillar problem with fibertel.com.ar some time ago.
        If the session is disconnected by the SMTP Proxy (and I don't know 
if ASSP currently does that or not), right after the mail is sent, but 
before accepting a QUIT command, then the other MTA thinks something went 
wrong, and retries. After some retries, the email will bounce back to the 
sender, even if it was delivered a zillon times.

        Actually, if I am not wrong, RFC 581 (SMTP) specifies that the 
connection should ONLY be closed upon a QUIT command. I haven't read all the 
modification RFCs to SMTP, but I guess that is still accurate.

        In my case, I had to modify the code of the SMTP proxy (not ASSP), 
and ensure that after sending the email, the only accepted command is QUIT. 
And that if that happens, then it is handled correctly.

        Regards!

Javier Albinarrate


"Ian Wall" <[EMAIL PROTECTED]> wrote in message 
news:[EMAIL PROTECTED]
>I don't really expect an answer to this, but I'm wondering if anyone else
> has seen anything similar?




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