Am I right in thinking that it's the mailing software/client (Be that Mailman/Major Domino/Interspire/OpenEMM etc) that is responsible for creating the VERP address, and that it's not something I can get POSTFIX to do on the fly (perhaps with a milter or header rewrite) at SMTP time?
I've read - but don't fully 'get' - the docs, so I'm really looking for a basic 'yes you can, read this' or 'no, that's the job of the client' type answer. Kind regards Sam
