, May 27, 2005 12:16 PM
To: spamassassin-users@incubator.apache.org
Subject: Re: SA Gateway - MS Exchange -- what if MSE down?
Hi Tony,
I have this same setup, and due to the nature of Exchange it
seems to go
down a lot more often than the postfix box. What happens is
that Postfix
queues the e
Tony,
Your main question has already been answered, but I noticed something in
your proposed setup that concerns me.
You state in your diagram that you plan to have the MSE box as the
secondary MX record. This would not be a good idea. From experience,
we have seen that spammers try the
, then you better
have
more then one server. Or a big HD for the queue ;)
--Chris
-Original Message-
From: E. Falk [mailto:[EMAIL PROTECTED]
Sent: Friday, May 27, 2005 12:16 PM
To: spamassassin-users@incubator.apache.org
Subject: Re: SA Gateway - MS Exchange -- what if MSE down?
Hi
Kristopher Austin wrote:
You state in your diagram that you plan to have the MSE box as the
secondary MX record. This would not be a good idea. From experience,
we have seen that spammers try the secondary MX first in hopes of
finding a server that is not protected by a spam scanner. This
Tony pace wrote:
Thanks for all the input.
The diagram was simplistic - the real MSE is a couple layers away.
One thing that no one has mentioned is that it's vitally important that
the edge gateway (the postfix system) have a way of knowing what users
are valid. Otherwise you will end up
Frank Coons wrote:
Does Exim allows LDAP queries across a DMZ or do both machines need to
be either inside or outside the DMZ for it to work?
I've never tried it, but it's just a TCP connection. As far as I know
it should work, as long as the firewall is not blocking the connection.
I
David Brodbeck wrote:
Frank Coons wrote:
Does Exim allows LDAP queries across a DMZ or do both machines need to
be either inside or outside the DMZ for it to work?
Exim (and anything else) shouldnt care if one machine is in the DMZ.
They dont both need to be in the DMZ to work. However,
[EMAIL PROTECTED] wrote:
Bingo. I have a similar setup in place (s/postfix/sendmail/) and I
don't have my Exchange box listed as an MX at all. I also have port
25 to the Exchange box firewalled off at the router to avoid
portscanning.
Not a good idea, IMHO. What happens if your SA gateway
Steven Dickenson wrote:
[EMAIL PROTECTED] wrote:
Bingo. I have a similar setup in place (s/postfix/sendmail/) and I
don't have my Exchange box listed as an MX at all. I also have port
25 to the Exchange box firewalled off at the router to avoid
portscanning.
Not a good idea, IMHO. What
