deliver: When forwarding messages, use -f parameter as return path and fallback to normalized Return-Path: header.
deliver: When forwarding messages, use -f parameter as return path and fallback to normalized Return-Path: header.

--HG--
branch : HEAD

jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch,jkerihuel/dovecot,jkerihuel/dovecot,jkerihuel/dovecot,jwm/dovecot-notmuch,jkerihuel/dovecot,jwm/dovecot-notmuch,jwm/dovecot-notmuch