Hello Noel,
> Note: stripping Received: headers is generally considered bad practice
> since it removes important tracking and debug information. Some
> anti-spam engines will penalize mail with no Received: headers.
I don't like it either but I want to hide the originating system.
> Your master.cf entry will look something like this:
> mangle unix - - n - - smtp
> -o smtp_helo_name=host.example.com
> -o smtp_header_checks=regexp:/etc/postfix/smtp_header_checks
thank you so much. It works.
Cheers,
Thomas