<snip> What can I do against this mails with my SpamAssassin? Are there new rules? Should I use sa-learn or how are you guys dealing with this?
Bye and thanks, Werner. </snip> There are several rulesets and scripts that will help against Bayesian poisoning. Take a look at www.spamfighter.org , theres lots of info and SpamAssassin scripts/rulesets/downloads there. Dave