MailScanner for outbound only

[Steen, Glenn]

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Yes, bob is probably your mothers sisters husband or your mothers brother in
this:-).

We've "solved" it a bit differently.... The FW rule is deny for all but the
outbound servers, then posting (on an appropriatly public source) the fact
that any outbound mails have to take this route or be dropped dead.

But your suggestion should work fine too, as long as you "trust" all subnets etc.

-- Glenn


-----Original Message-----
From:   MailScanner mailing list on behalf of Raylund Lai
Sent:   Thu 2/10/2005 9:48 PM
To:     MAILSCANNER at JISCMAIL.AC.UK
Cc:	
Subject:        Re: MailScanner for outbound only
We do. But we use sendmail. It's simply set sendmail (the mailscanner
server) to be a relay of the internal mail server. We're allowing relay by
the mail server ip address.

Cheers
Raylund
----- Original Message -----
From: "Peter Russell" <pete at ENITECH.COM.AU>
To: <MAILSCANNER at JISCMAIL.AC.UK>
Sent: Thursday, February 10, 2005 3:28 PM
Subject: MailScanner for outbound only


>I have been asked to provide a machine that can scan all outbound smtp
> traffic on the network. We have loads of students and some use own mail
> clients, they ahve own unprotected laptops etc etc - so we will make a
> firewall rule that all outbound on port 25 goes to this new mail relay.
>
> I am already familiar with mailscanner and postfix.
>
> Is this simply a matter of building a mailscanner machine, config
> postfix to access mail from the firewall interface only, and bob's your
> mothers brother?
>
> Who does aoutbound scanning - how do you do it? anyone got any better
> suggestions for wyhole of company outbound scanning?
>
> Thanks
> Pete
>
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