On 1/21/2009, Giuliano Gavazzi (dev+li...@humph.com) wrote: > you are much better off rejecting those even before seing the DATA, > if that address is in the envelope sender, or after, if it is only in > the From: message header.
? If he did that, then he wouldn't see his own messages to this list. But I agree that fighting this kind of spam is best done at the MTA level, and isn't really a dovecot (or sieve) issue. The postfix backscatter readme is a good start, esppecially is you are using postfix - and if you aren't, why aren't you? ;) ... but the concepts can be applied to any MTA... http://www.postfix.org/BACKSCATTER_README.html -- Best regards, Charles
