[CentOS] Kind of OT: internal imap server

Thu Aug 24 03:27:50 UTC 2006
Feizhou <feizhou at graffiti.net>

Les Mikesell wrote:
> On Wed, 2006-08-23 at 04:33, Ralph Angenendt wrote:
>> Jaymz Ringler wrote:
>>> A simple solution if you have an extra machine..   install qmail on a
>>> new box...  put it into your DMZ to collect mail.   You then set a
>>> simple smtproute to forward all mail to your inner mail server's ip. 
>> qmail is outdated. qmail doesn't check for available users before
>> accepting a mail and thus always sends bounces. qmail isn't available
>> for centos. qmail hasn't seen any updates since way back when. qmail can
>> only be made into a more modern MTA with tons of patches. 
> 
> On the other hand a very nice approach to an outside DMZ relay
> is to use sendmail with MimeDefang (http://www.mimedefang.org)
> to coordinate scanning with clamav, spamassassin, etc.  It
> has an option to check for valid users via smtp to the delivery
> server so you don't have to set up anything extra for this
> other than the snippet of perl that controls it all.  There is
> a moderately active mail list with helpful advice.
> 

i'd rather use postfix in tandem with clamav and spamassassin. sendmail 
sucks. milter sucks.