> -----Original Message----- > From: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of Dennis Carr > Sent: Tuesday, 14 April 2009 12:15 PM > To: postfix-users@postfix.org > Subject: A better backscatter killer? > > Looking at options here for eliminating backscatter. > > > One thing I've been looking at doing is basically checking > headers, and if the From: header is null, then reject it immediately. >
Then you won't receive some genuine messages, both bounce and non-bounce. Try the ips.backscatterer.org RBL; it works well for us. http://www.mailinglistarchive.com/postfix-users@postfix.org/msg57402.htm l