[CentOS] postfix - reject of incoming mail due to helo check??
Stephen Harris
lists at spuddy.org
Fri Feb 3 19:58:18 UTC 2012
On Fri, Feb 03, 2012 at 08:04:31PM +0100, Reindl Harald wrote:
> Am 03.02.2012 20:01, schrieb Stephen Harris:
> > In this, Les is correct. The RFCs merely say the HELO needs to _a_ valid
> > identifier for the host. Indeed this discussion was on this list back in
> > July ("SPAM on the List") where I pointed out that RFC 5321 says
>
> i know the RFCs
>
> does not change that it is a dmaned good idea this days
> to make matching A/PTR/HELO and it is EASY to do this
A & PTR, yes. HELO, no. It's not even possible to do HELO matching PTR
when NAT gets in the way.
--
rgds
Stephen
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