OSEC

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Re: Strange problem in SMTP communication

From: Wietse Venema (wietseporcupine.org)
Date: Sun Apr 11 2010 - 15:48:16 CDT


Emanuele:
> Ok, I've attached tcp dump. It contains only 8 packets because after the
> HELO message, as you can see from logfile previously posted, there's no more
> communication.

Your server replies end in

        <CR><LF><NULL>

That is not SMTP compliant.

        Wietse