> I'm getting a lot of email where one of the domains I host has been used > by a spammer to send emails to [EMAIL PROTECTED] which then gives me > a load of bounce backs of "user unknown" and the like. (see below.) > > Is there a way to block these out, without blocking out legitimate > undelivered reports from mailservers? (or do my users have to just put > up with it!!)
Welcome to the hardest part of spam filtering: backscatter & co. Not easy to stop, especially then the spammer if forging a valid username and you get thousand of bounces, but you can help mitigate a lot the problem using bombregex Read this guide for postfix, you'll find some valuable info http://www.postfix.org/BACKSCATTER_README.html ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Assp-user mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/assp-user
