[CentOS] postfix - reject of incoming mail due to helo check??

Fri Feb 3 19:58:18 UTC 2012
Stephen Harris <lists at spuddy.org>

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.