Re: Postfix queues mails rejected with 5xx errors

2013-08-24 Thread Wietse Venema
Sz?ts ?kos: > Dear list members, > > I have the following problem: > > A 3rd party e-mail provider refuses the HELO/EHLO command if it doesn't > contain a valid FQDN address (which is acceptable from their point of view). > > They refuse it with a 501 (permanent) error And then they hang up, i

Re: Postfix queues mails rejected with 5xx errors

2013-08-24 Thread Jeroen Geilman
On 08/24/2013 08:16 PM, Szőts Ákos wrote: Dear list members, I have the following problem: A 3rd party e-mail provider refuses the HELO/EHLO command if it doesn't contain a valid FQDN address (which is acceptable from their point of view). They refuse it with a 501 (permanent) error, which mea

Postfix queues mails rejected with 5xx errors

2013-08-24 Thread Szőts Ákos
Dear list members, I have the following problem: A 3rd party e-mail provider refuses the HELO/EHLO command if it doesn't contain a valid FQDN address (which is acceptable from their point of view). They refuse it with a 501 (permanent) error, which means according to [1]: "[...] In this case, t