On Wed, 2003-08-20 at 16:24, Daniel Kaliel wrote:
> I have been trying to find documentation on how to do this, but have
> not found any.  I spoke with the partnership of my company on this and
> how it is safer not to, instead filtering email on there email client,
> however, they have decided to have all SPAM immediately deleted.  So
> if anyone knows where I can find more info on how to do this, I would
> appreciate it.

:0
* ^X-Spam-Flag: YES
/dev/null

However, this is probably the single most efficient way to shoot
yourself in the foot with any spam filter.

It's unsafe to use bayes, you have deleted anything autolearned
incorrectly so you won't be able to retrain it even if you did somehow
know about it, so you're making the whole thing less efficient from the
start.

If you don't care about false positives, you'd be far better off
forgetting about filtering and just set your MTA to reject anything in
every DNSBL you can find. That sounds nasty, it's not meant to, what I'm
trying to say is a solution with high false positives would be better if
it rejected mail rather than silently dropped it.

A far better solution would be to file the spam into a separate mailbox.
Make it per-user and it's their own choice what they do with it, they
can just not look at it at all and they get the same functionality as
just deleting it, or they have somewhere to go looking for missing mail
if something goes wrong. Or, make it system-wide and just dip into it in
emergencies.

If someone instructed me to /dev/null anything marked as spam, and all
attempts to explain why that was bad had failed, i think a deliberate
typo would see it all piling up in a mailbox called .dev.null ready for
when they realise they made a mistake :)

-- 
Yorkshire Dave


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