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Re: Address litteral : Helo / EHLO check [a.b.c.d] Invalid? (Correct/Incorrect)
From: /dev/rob0 (rob0
gmx.co.uk)
Date: Fri Oct 27 2006 - 19:54:23 CDT
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On Friday 27 October 2006 18:50, Steven F Siirila wrote:
> MUAs have no business talking directly to MTAs (port 25); they should
> be talking to MSAs (port 587 or 465). Ideally, mail administrators
> will have these services separate (we have for 5+ years now). If
> these rules are followed on the server side, you can be much more
> picky about HELO values on the MX side.
Even if not you can, simply by arranging the restrictions in the proper
order. :) "permit_mynetworks, permit_sasl_authenticated" at the
beginning, followed by check_helo_access and other restrictions.
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