On Fri, Feb 03, 2012 at 11:47:06PM +0100, Reindl Harald wrote:

Am 03.02.2012 23:32, schrieb Stephen Harris:

...

If you're telling me that my internal mail servers must talk to each other via the name pool-173-71-187-61.pitbpa.fios.verizon.net then... well, never mind.

i am telling you that your network design is poor and yes if THIS is your rDNS it has to be your HELO

Fortunately, you're wrong. The real world doesn't work the way you think it should. Which is a relief to everyone else!