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From: Jeffrey Goldberg <jeffrey@goldmark.org>
To: brad davison <demonichandextensions@hotmail.com>
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Date: Mon, 12 May 2008 09:55:42 -0500
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Cc: FreeBSD List <freebsd-questions@freebsd.org>
Subject: Re: telnet to mail server from outside does not get 220,
	telnet from inside works
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On May 12, 2008, at 9:04 AM, brad davison wrote:

> But if I try the same thing from 'outside' the firewall I get:
>
> %telnet email.xxxxxxxxxxxx.com 25
> Trying 67.x.x.x...
> Connected to email.xxxxxxxxxxx.com.
> Escape character is '^]'.
> Connection closed by foreign host.

Have you checked to see what your mail logs say about those connection  
attempts?

Cheers,

-j