wiskbr...@hotmail.com wrote: > > I am seeing a few spams coming through with a from address (seen on my > postfix logs) that does not match the "From" address shown on my users > Outlook. In fact my users are seeing a "From" address as their own, > something that my postfix server currently does not allow using > mynetworks and permitting this using smtpd_recipient_restrictions. > recipient restrictions does not consider *header* from (aka user client view). It only considers *envelope* from (aka RCPT TO).
This mailing list, for example, does not list you in any header, but you will be listed in the envelope.
