Elizabeth Schwartz wrote:

> As a university we have legitimate correspondance with people in
> *every* country so I have to be very careful about blocking IP's or
> character sets or other such broad applications.

I think a good help for that is amavisd-new and his new policy banks.
http://www.ijs.si/software/amavisd/

amavisd-new is an interface for spamassassin and virus scanners.

One way is to scan all mails and get tagged from SA.
Every user has own rules (sql database) and can choose his wantet 
character sets.

Or setup policy banks groups: asian character sets lovers, ...

And don't forget the bayes. There must be some *trustet* people from 
*every* country, who can choice ham and spam for sa-learn.

-- 
Ciao Marco, registered GNU/Linux-User 313353

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