Re: [Mailman-Users] emails from mailman rejected with error "reject=550 Relaying denied. IP name possibly forged"

2014-07-27 Thread Peter Shute
Stephen J. Turnbull wrote: > It occurs to me that the DNS problem may be that your HELO > hostname (in the SMTP transaction) doesn't match the reverse > lookup for the IP observed in the TCP connection. That > should be easy to fix in the Sendmail configuration. That sounds like something sim

Re: [Mailman-Users] emails from mailman rejected with error "reject=550 Relaying denied. IP name possibly forged"

2014-07-27 Thread Stephen J. Turnbull
Abdullah AL-Maskari writes: > I will look at the spam filter configurations and my DNS but I dont see > how any of those systems could be broken if the original mailman server > is working fine. It's not a question of whether something is broken; something is. The fact that your own logs re

Re: [Mailman-Users] emails from mailman rejected with error "reject=550 Relaying denied. IP name possibly forged"

2014-07-27 Thread Peter Shute
Abdullah AL-Maskari wrote: > I should have probably mentioned that I have another instance > of mailman running on another server on the network and it is > not having any trouble sending mail through mailhost. The > sendmail files I am using for my mailman installation have > been copied from

Re: [Mailman-Users] emails from mailman rejected with error "reject=550 Relaying denied. IP name possibly forged"

2014-07-27 Thread Abdullah AL-Maskari
Hi, thanks for your reply. I should have probably mentioned that I have another instance of mailman running on another server on the network and it is not having any trouble sending mail through mailhost. The sendmail files I am using for my mailman installation have been copied from the othe