* Wietse Venema <[email protected]>: > Dominik Chilla: > > Hello together, > > > > my postfix setup (submission-relay only!) requires an authenticated > > (SMTP-AUTH plain/login) sender. Further it checks if the envelope-sender > > matches the authenticated user-id by using sender_login_maps in > > conjunction with LDAP. In envelope context this is a very usefull and > > important feature, but it doesn?t prevent one to use a different email > > address in the RFC5322-From header. So why not thinking about something > > like rfc5322_from_login_maps? > > > > Alternatively a restriction > > "reject_rfc5322_from_envelope_sender_mismatch" (or the like) would be > > thinkable. > > Do you have a design for that? Note that most reject_mumble features > are designed to block mail BEFORE the "DATA" command, whereas the > message header is received AFTER the DATA command. > > You might be better off implementing this with a Milter
IIRC Christian wrote a MILTER that does exactly what you want about two years ago. I'm not sure if he's willing or able to release it as open source. p@rick -- [*] sys4 AG https://sys4.de, +49 (89) 30 90 46 64 Schleißheimer Straße 26/MG,80333 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
