El vie, 4 dic 2020 a las 9:59, Wietse Venema (<wie...@porcupine.org>) escribió:
> Sergio Belkin: > > Some information about my software that may be useful: > > libc-2.17-260.el7_6.4.x86_64 > > glibc-2.17-260.el7_6.4.i686 > > dnsmasq-2.76-7.el7.x86_64 > > Are you running a RHEL port of Postfix 2.10? They sometimes back-port > features from a later Postfix release. The Postfix code that handles > DNS errors is very careful about giving 'try again' errors precedence > over 'hard' errors, and it is very easy to screw that up. > > Does it have the Postfix 3.0 smtp_dns_reply_filter feature? > > Wietse > Wietse, Sadly it's not a backports, because is CentOS 7. It lacks that option -- -- Sergio Belkin LPIC-2 Certified - http://www.lpi.org