-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of Nigel Kendrick Sent: Monday, May 09, 2005 8:05 AM To: 'CentOS mailing list' Subject: RE: [CentOS] Centos 4 / Postfix / SMTP - SORTED

OHMYGOD I am a grade 1 pillock:

All sites hosting our mail servers have Zen as their ISP but where I

am

now it's using BT - so I guess it's not a good idea to try and use Zen's server from a BT account - mind you some kind of error return when I tried to connect might have helped!

Most mail servers will return a '550 Relaying not allowed' error message. If Zen doesn't do that then it's a configuration decision on their part.

-- Marc