"Fred I-IS.COM" wrote:
> Can anyone provide a policy for an ISPs' use of Spam Assassin to
> filter customers e-mail?

Make it opt-in:  the customer MUST take some sort of specific action in
order to have SA filter their mail.

In our case, the customer actually signs up for an added-value
mail-filter service that removes viruses as well;  their mail is
forwarded off of the main server onto our filter server.  They then must
change their incoming server to the filter server.

When an account is set up on the filter server, an introductory email is
put in the user's inbox providing a detailed home-user-understandable
(mostly) description of how the system works- and a warning that the
system will NOT catch all spam or viruses!  We also include instructions
on how to forward untagged spams to us;  and how to log in to the
webmail system to view messages tagged as spam- and forward any messages
that shouldn't have been tagged so we can whitelist them.

We've just used the default threshold of 5;  in my experience raising it
would simply allow marginal spams through.  Any legit mail I've seen
that gets tagged generally scores 10-15 anyway.  :(  (I've seen a few
over 20, and I think I recall seeing one FP that scored 30 on 2.44.)

-kgd
-- 
<erno> hm. I've lost a machine.. literally _lost_. it responds to
ping, it works completely, I just can't figure out where in my
apartment it is.


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