> On Jun 18, 2015, at 3:51 AM, Wietse Venema <wie...@porcupine.org> wrote: > > Michael Peter: >> Hi, >> >> How can force postfix to reject emails from mail servers which doesn't >> have a reverse dns entry ? > > You can use reject_unknown_reverse_client_hostname or > reject_unknown_client_hostname, depending on the appropriate > definition of "unknown". Note that the outcome of these depends on > how well DNS works. Don't use if if your end has poor DNS service. > >> and is this correct thing to do according to the standards? > > This is more a matter of policy than law. I prefer to turn some > additional tests when check_client_access matches "unknown". > > Wietse
Can you show your additional tests? let me add my thanks to you Wietse for such great software. -Terry Terry Barnum digital OutPost http://www.dop.com
