[ale] POP3 was SMTP Servers

[Jonathan Rickman]

On 31 Dec 2002, Jeff Hubbs wrote:

> Can someone recommend me to something that puts SMTP MTAs and POP3
> servers as well as things like Exchange into some kind of interrelated
> context?

Not sure what you mean, but if they've got a hankerin' for a total Linux
solution, SuSE's OpenExchange looks pretty slick.

> I'm not sure exactly what this company wants.  What I was told is "the
> boss would like to create a DMZ on the network and implement an SMTP
> server using Linux."  That's all the info that I have, but I assume that
> this is a place that already has Outlook/Exchange.

If so, I think they'd be better served by a secure, purpose built,
screening SMTP such as one of the many Antivirus products than a full
featured MTA. It sounds like they're looking to get Exchange behind the
firewall and put something more secure in the DMZ for public access.

> Would a typical corporate mail system "done properly" (as opposed to
> Exchange handling everything) have a separate SMTP MTA (like
> qmail/sendmail/postfix) and POP3 server, or do those functions get
> integrated into the same machine?

Ideally, assuming Exchange is in the loop...

INTERNET----->ANTIVIRUS SMTP GW------>EXCHANGE

The McAfee and Norton solutions work very well. I believe there are
several Linux based solutions as well, but I only have experience with
these.

--
Jonathan Rickman
X Corps Security
http://www.xcorps.net

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