Hi, I'm setting up an MTA, and as part of the spam filtering process I'm using SpamAssassin via amavisd-new. However, this is running on a small box, with little CPU, so I also use postscreen to filter most messages before the expensive heuristics run.
Currently, I run DNSBL checks in postscreen and SpamAssassin, first to filter most spam and then again in SpamAssassin to augment the score and make a better filtering decision. This is quite wasteful, so I was wondering if there is some way to get the DNSBL score from postscreen into a header or something (like PREPEND in a CIDR table fired by check_client_access or similar test), so that SpamAssassin can just read that header without having to do the checks itself. If this currently isn't possible, I'd be happy to make a crack at implementing it myself, assuming this is something that would be considered useful by others. Regards, Robin McCorkell
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