On Sat, Nov 02, 2002 at 06:47:16AM -0600, Russell Mosemann wrote:

> We have postfix on our email gateway configured so that any email coming
> from mynetworks must have a sender address with our domain in it. We are
> loading all account information into LDAP, and we soon will only allow
> email with a known account as the sender address. No computer on our
> network is allowed to send email to the Internet except the gateway,
> enforced by firewall rules. So, other computers must use the gateway to
> send email.
>
> That gives us a single point of control where we can virus scan and spam
> tag messages. It stops stupid stuff like viruses sending their own email.
> I'm guessing that would have stopped everyone of those spam messages
> (unless the spammer used your domain in the sender address :-).

That's what we do as well. It works really nice.

-- 
Ralf Hildebrandt                                Ralf.Hildebrandtcharite.de
Postfix Tips: http://www.arschkrebs.de/postfix/ Tel.  +49 (0)30-450 570-155
Why you can't find your system administrators:
Is busy packing up to go to a site that has contemporary hardware 
-
To unsubscribe, send mail to majordomopostfix.org with content
(not subject): unsubscribe postfix-users

• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]