Re: Which spam filter do you use?
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On Friday, October 5 at 04:02 PM, quoth M. Fioretti:
> 0) Do I have a flat rate fast connection, where I wouldn't notice SA
> contactly doing network checks?
Indeed! Not all solutions are perfect for all situations.
> 1) after the whole message has been downloaded anyway, does SA block
> a LOT more spam than bogofilter or qsf? "if" the answer is yes,
> (and that is quite a big "if", judging from both online literature
> and other answers in this thread...) is the difference big enough
> to justify the extra CPU and/or bandwidth consumption, plus keeping
> the rules updated?
Unfortunately, that's a tough one to answer. How much CPU is a spam
worth? Does the answer change depending on whether you get 5 spams a
day, or 5000? There's no "right" answer to that one, it's all personal
preference.
> And if one has full control of the MTA, where lots of spam can and
> should be recognized and blocked before ever starting SA or any
> other content filter.
That depends on what you're willing to put up with. For example, many
of my users have learned to distrust things like DNS blacklists, and
by extension any completely blocking spam mechanism. ANY anti-spam
technique will have false-positives, and sometimes users aren't
willing to put up with that, which changes the requirements of your
antispam solution.
~Kyle
- --
Every gun that is made, every warship launched, every rocket fired
signifies, in the final sense, a theft from those who hunger and are
not fed, those who are cold and are not clothed.
-- Dwight D. Eisenhower
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