not to speak for anyone else, but I have a few of these IMS servers
running as inbound filters, so maybe I can help a little. The ones that
I've setup are used mainly to keep some of the initial workload off an
Exchange Svr, such as scan for viruses, deny mail intended to unknown
mailboxes, eliminate a certain percentage of SPAM, block certain
attachments and for some companies block messages over a certain size.
Exchange can do a lot of these things, but having a cheap 1U box clean a
lot of it means less activity on the far more expensive Exchange Svr.
There is an article in the IMS archives that covers the basics of
setting up a "mail forwarder" I believe, I'll see if I can find a copy
here. It is pretty simple though. Almost identical to setting up IMS for
use as a fully functional MTA, but you don't need mailboxes and you
force all mail to a specific IP. And basically I set my MX record to
point to the IMS server, then I force all incoming mail that passes the
filtering process on the IMS box to the Exchange Svr and then setup the
Exchange Svr so that it'll only accept mail from the IMS server. If any
of my clients need inbound & outbound filtering as well I lead them in
another direction for a more manageable and more expensive solution.
But there are open source products out there that can easily do in & out
filtering/tagging too.
-ted
David West wrote:
Hi
I want to do this - IMS as a front end to Exchange 2003.
1. How do you configure IMS and Exchange so it works?
2. Does IMS protect incoming mail only or both way traffic?
3. What about port numbers and DNS registration, etc?
Sorry if it's a bit simple; but we are new to Exchange, the bosses are
keen for us to move over to it, and I don't want to loose the filtering
/antivirus capabilities of IMS and its add-ons.
David
Don R. Hill wrote:
Our EMWAC, which was passing messages just fine to our Exchange 2003
server .......
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