nate wrote: > Gilbert Sebenste wrote: > >> Hello everyone, >> >> Occasionally I get emails which have a subject header of "Rejected posting >> to Blah", from a listserv I am on. Without going into a 10 page diatribe >> of why, I'd like to reject these automatically, sending them to /dev/null. >> I used to run Sendmail and that was pretty easy to do. How can I do this >> under Postfix under CentOS 5.3? >> > > Do you want to reject them or eat them and send them to /dev/null ? > > If you want to reject them something like this would work: > > header_checks = regexp:/etc/postfix/regexp_table > > and in /etc/postfix/regexp_table something like: > /^Subject: This is the subject I want to reject REJECT 554 > Custom rejection message > The problem with that approach is that its global to the server. I dislike putting filtering rules like that in the system, and prefer to do them on a per user basis, hence my postmailrc suggestion (except I don't know if CentOS uses postmail as the delivery agent for postfix)