Hi All,
I am planning to setup a mail relay host for our server.
Currently we have our Lotus Domino server accepting smtp connections from 
the big bad world... three problems:
I don't feel comfortable with the security of domino.
No antivirus
No Spam filtering

What I would like to do is this kind of network setup:

          internet
        |
         Gateway
         /                \
 MX/HTTP      LAN


Now From the firewall, I would not allow the MX/HTTP server access the LAN 
at all, via iptables, and they will be on different subnets.

So what I want to do is setup the MX (Currently going to be exim, but open 
to suggestions) to accept incoming mail for our domains, then have 
fetchmail on the LAN pickup the mail from MX every few minutes, after its 
been scanned for viruses/spam etc.
How would I accomplish this?
What would be the best tools in debian woody?
Are there better/easier ways to do this?

I can't find anywhere in exim to set this up to accept mail for anyone 
@ourdomain.com.au, then have procmail pick it up and delivery it to the 
lotus servers smtp.

Or would it be best to have all mail users on the MX machine, as well as 
the lotus server? this would be a bit of a pain in the ass, but I could 
understand for spam reasons....

I guess the idea is to make it a DMZ, where it cannot get on the LAN by 
any means (Well that's my interpretation of a DMZ).

Cheers,

Scott

-- 
Scott Ragen
Support Manager/IT Administrator
Roadtech Systems
www.roadtech.com.au
PH: +61 2 9807 3516 FAX: +61 2 9808 5294
-- 
SLUG - Sydney Linux User's Group - http://slug.org.au/
More Info: http://lists.slug.org.au/listinfo/slug

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