On Sun, Nov 28, 2010 at 01:36:12PM -0700, ghe wrote: >> I run postfix and my mail clients use smtps so I was thinking I may as >> well close port 25. How can I do that? > > I'd use iptables or equivalent. > > I have my doubts about postfix itself because I think that'd be an RFC > violation. So far...
The above is nonsense. You don't have to accept traffic on port 25 of
an MTA that is not an MX host (or whose IP is the A record) for a domain
that needs to accept external email.
--
Viktor.
