At 11:08 AM 10/24/2003, you wrote:
For the most part, I trust the folks on my side of the router to not
deliberatly run their own smtp server and spam.
What I don't trust them for is to know when their computer is infected
with a virus that has an internal smtp service, and they are spewing
out infections via port 25. I implemented my blocking when Sobig.F
was released.
As for the tech support complaints, the only ones that would complain are
the ones that are running their own smtp servers behind their dialup
connection
which suddenly stop working when you install the block, (I had two call
and complain)
and that gives me an opportunity to ask them why they are doing this in
the first place.
transparent firewall to pass and log connections to port 25..
then you'll know if it's happening, and you can contact the customer.
The response was 'um, ah, err, gee, I'll get back to you' (likely spammer) or
'I don't know, I thought I had to to use my domain address'.
heh :)
-dd
>if you trust the people on your side of the router you don't *have* to
>do this, it just makes it less likely you'll have a problem, but may make
>some of your customers annoy the hell out of you with tech support issues.
>-dd
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