BKY Lam <[EMAIL PROTECTED]> wrote:
>
> A error message
> "Deferral :Connected_to_x.x.x.x_but_connection_died._Possible
> _duplicate!_(#4.4.2)/" has been reported when handle some incoming SMTP
> mails.(where x.x.x.x is the ip of the internal mail server)
Your internal server is dropping connections.
[...]
>
> No such error happened before implementation of the qmail.
It's still your internal server's problem -- it's not obeying
RFC821/2821. Since qmail doesn't know the message was successfully
queued by your internal server (it didn't respond 2xx to the DATA
phase), it _has_ to re-attempt delivery.
Fix the internal server. If you want proof it's broken, capture one of
these messages being transferred with tcpdump.
Charles
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Charles Cazabon <[EMAIL PROTECTED]>
GPL'ed software available at: http://www.qcc.sk.ca/~charlesc/software/
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