[pfx] Subject modification based on recipient

Hi list, i want to achieve that my postfix relay will modify the subject based on the recipients. The postfiy relay is receiving email from other internal systems and forwards all mail to a mail group (testgroup) on another internal mail system. I have already configured the following in the head

[pfx] Re: Subject modification based on recipient

; postfix-users@postfix.org>: > Wietse Venema via Postfix-users: > > Andreas Cieslak via Postfix-users: > > > Hi list, > > > > > > i want to achieve that my postfix relay will modify the subject based > on > > > the recipients. > > > The postfiy