Heiko Schlittermann <hs@???> (Do 06 Nov 2014 09:42:56 CET):
…
> They refuse to accept mails from our systems:
>
> SMTP error from remote mail server after initial connection:
> host mx01.kundenserver.de [212.227.17.191]: 554-kundenserver.de (mxeue006) Nemesis ESMTP Service not available
> 554-No SMTP service
> 554 invalid DNS PTR resource record, IP=212.80.235.156
Seems to be fixed on their side.
Thank you.
--
Heiko