[Mimedefang] OT: control internal spam

[Matthew.van.Eerde at hbinc.com]

mimedefang-bounces at lists.roaringpenguin.com wrote:
> All,
> 
> We block port 25 at the firewall so all outgoing mail has to go out
> our gateway.
(snip)
> Obviously we have to allow SMTP for internal legit clients on our network.
> Is SMTP AUTH the answer?

YES

Write a terms-of-use that all users have to sign before they get an email address
Require SMTP AUTH
Log all outgoing traffic

Then when you catch someone sending spam you know which account to disable.

Matthew.van.Eerde (at) hbinc.com                 805.964.4554 x902
Hispanic Business Inc./HireDiversity.com         Software Engineer
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