Rich Shepard: > On Thu, 5 Mar 2015, Wietse Venema wrote: > > > That is not a Postfix configuration file. Try: > > grep internal_mail_filter_classes /etc/postfix/main.cf > > /etc/postfix/master.cf > > Not found in either one. > > > Do you have receive_override_options=no_header_body_checks in main.cf > > or master.cf? > > No; in neither.
Last chance: do you have "receive_override_options" in those files? Otherwise, either your Postfix configuration files are in a different place (do "postfix reload" and see the real pathname in the mail logfile) or your Postfix has been changed. If it is the latter, then there is nothing I can do. Wietse