After some tests and research, I have a working configuration with check_sender_access :
smtpd_sender_restrictions = ....., check_sender_access hash:/etc/postfix/ vsnotif.cf cat /etc/postfix/vsnotif.cf specific_sen...@example.net REDIRECT special_em...@internal.domain.net Le lun. 4 avr. 2022 à 11:17, Alexandre Ellert <ellertalexan...@gmail.com> a écrit : > Hi, > > I have a Postfix inbound MX relay and I'd like to rewrite the recipient(s) > to a single fixed email address but only when the email is sent from a > specific sender. > > Can you please tell me the way to do this ? > > Thanks a lot. > > Alexandre >