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- blacklist.cf (aka. sa-blacklist.cf)
- blacklist-uri.cf (aka. sa-blacklist-uri.cf)
- bigevil.cf
Avoid at all costs on a busy server. If you are using these rulesets, consider using \[http://wiki.apache.org/spamassassin/SURBL\] instead. Wiki Markup
Try running without custom rulesets, measure memory usage, and re-add them gradually. By doing this you can determine which rulesets are worth the memory/accuracy trade-off. Note also that old rulesets probably won't catch any spam anymore, so you may be adding load for no good reason.
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