Re: [Exim] unexpected disconnection while reading SMTP comma…

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Autor: Sean Linus
Datum:  
To: exim-users
Betreff: Re: [Exim] unexpected disconnection while reading SMTP command
> This kind of problem, if it is consistent and repeatable, is often
> caused by interfering things in the network path. Firewalls, for
> instance. Cisco PIX is notorious.


Yep, seems like since Aug 16 according to my log. The amazing part is
only from that domain we're having a problem.

> Does it depend on message size?

Nope. A simple test mail also failed.


> The ultimate debugger for this is to use tcptrace to see exactly what
> packets you are seeing on the network connection.

Any guide how to use tcptrace in accordance to this problem :)

Thanks a lot Philip. I appreciate your help.

Sean