On Thu, 2008-12-04 at 11:51 -0700, Christian Desrochers wrote: > Hi all, > > We have a spam problem. We get a lot of emails, where the sender (MAIL > FROM) address is equal to the receiver (RCPT TO) address. When I look > at the "Received:" header field, the IP address of the server it's > coming from, is not our mail server. > > I would like to know if there is a way to block (or tag as spam) those > emails, either with Postfix, SpamAssassin or Procmail, if they don't > come from our mail server? > > Thanks, > > Chris
Have you read the archives for the past few days? There has been extensive discussion on this very issue. This electronic message transmission is a PRIVATE communication which contains information which may be confidential or privileged. The information is intended to be for the use of the individual or entity named above. If you are not the intended recipient, please be aware that any disclosure, copying, distribution or use of the contents of this information is prohibited. Please notify the sender of the delivery error by replying to this message, or notify us by telephone (877-633-2436, ext. 0), and then delete it from your system.
