On 12/4/2011 2:15 PM, /dev/rob0 wrote: > The point about "gets through postscreen" probably was that it's not > safe nor easy to try to block spammer-controlled freemail accounts > through postscreen. In postscreen, there is no difference between > freemail spam and real mail from freemail users. > > The only reasonable pre-DATA approach to freemail-origin spam is to > use check_sender_access in smtpd against a list of known bad accounts.
I've been using the clamav-milter along with the Sanesecurity add-on spam signatures to reject quite a bit of the freemail garbage. YYMV and all that, but I've found clamav+Sanesecurity safe and effective. http://www.clamav.net http://sanesecurity.com/ -- Noel Jones
