EXIM server (Full Version)

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yalgaar -> EXIM server (3.Feb.2007 10:12:01 AM)

I am planning to setup a Exchange Server for a small company. ie around 20 users.

I am looking for the most secured solution for this. I believe it is not a good idea for the Exchange server itself to exposed directly to internet. The secured way is to have another box sitting before it that will route emails inside and outside. I am looking for the best/different ways to do this.



uemurad -> RE: EXIM server (3.Feb.2007 12:10:22 PM)

You are correct that exposing Exchange to the outside world is extremely risky.  You want something that can protect your inside systems.  That can be an appliance, in some cases a firewall or a router (depending upon the equipment), or some sort of specialized application.  Microsoft's solution to this is the ISA server.  You use these devices to limit the type of traffic that can reach beyond its border.



msorrenti -> RE: EXIM server (4.Feb.2007 10:31:14 PM)

I have found postfix smtpd to be a great/cheap smtp mailgateway for exchange. If you have skills in UNIX/linux.
packages you should be interested in.
postfix-tls
spamassassin
amavisd
postgrey
clamav
mailgraph

basically in this design postfix smtpd receives 25. forwards to amavisd-spamassassin 10024 then forwards back to another smtp instance on localhost:10025 and forwards to Exchange server using transport.db
exchange.domain.ca smtp:[1.2.3.4]

Let me know how I can help if you decide to go that way.
Mike



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