Re: [anti-spam-wg] RIPE 56 Draft Minutes

[James Hoddinott jamesh@localhost]

On 30/05/2008 at 11:13:53, Brian Nisbet said:
[...]
>C2. Filtering
>James Monico (BSkyB) asked the forum if anyone had ideas on technical
>measures to prevent outbound Director MX spam and also to detect viruses

Could someone define "outbound Director MX spam" with more words?

>that are sending traffic into the wider Internet. He commented that his
>company had eliminated the problem of inbound spam by outsourcing their
>mail platform to Google. Brian, speaking personally, responded that there
>was no reason why one can?t run various mail filtering applications in an
>outbound way as well as inbound.

We don't specifically filter outbound mail but we do number crunch the
Exim logs each day to pick up pretty much every customer that has a
zombie, relay, smthp auth hijack issue and sending via our smarthost. It
also has the added benefit of picking up a myriad of customer config and
loop issues which would otherwise go undetected.

-- 
James Hoddinott    Manager, Network Abuse Team                THUS plc
jamesh@localhost         abuse@localhost         http://www.demon.net/
020 8495 6119             020 8495 6160           http://www.thus.net/