--On Tuesday, January 15, 2002 09:03:41 -0700 Darren Spruell 
<[EMAIL PROTECTED]> wrote:

> More imput wanted!
>
> does exim have the security reputation (in the real world) that qmail
> does?

Exim got the security reputation it might have because there was a chapter 
in it's manual on security and because it was able to change the UID it 
runs as to non root.  I ran Exim at an ISP I worked for because we had 
clients who required ETRN, qmail and courier do not support ETRN for good 
reason.  I don't really have anything bad to say about Exim.  It's one of 
the most flexible/configurable MTAs out there.  Had Postfix been available 
when I worked at that ISP I would've chosen Postfix.  Postfix has a very 
solid security and performance reputation and is the MTA of choice for 
hub.FreeBSD.org where all the FreeBSD mailing lists run.  From the get go 
Wietse Venema's goal was to keep the security and exceed the performance of 
qmail at the same time make Postfix a real world drop in replacement for 
sendmail.  In most cases Postfix will read aliases.db that was generated by 
sendmail.  The big gripe about qmail back in the day was it's poor support 
for sendmail aliases.  qmail's fastforward package takes care of that for 
the most part.  So after running qmail, Exim or Postfix in the past for a 
minimum of a year each -- I'm now runnig Courier.  So far I see no reason 
to look back.  You get a little of qmail's style of doing things, you get 
very flexible aliases support.  A choice of many ways to support virtual 
domains/users.  And you get lots of integration with IMAP, POP3 and HTTP 
acces to delivered mail.  My primary reason for switching from Postfix to 
Courier has to be Courier's much cleaner support for filtering incoming 
mail.  A collegue and I have been wrestling with Postfix and maildrop to 
filter incoming mail and came to the conclusion that passing information 
from one stage where mail is potentially accepted or rejected to another 
has exceeded the level of complexity we were willing to deal with.  Courier 
is far more consistent and better documented in that regard.

-- 
Yarema

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