You're right, I think is the only way, or at least one of the simple method to accomplish this. I'll try, thanks!
Regards Claudio Il mar 14 feb 2023, 19:35 John Stoffel <[email protected]> ha scritto: > >>>>> "Claudio" == Claudio Corvino <[email protected]> writes: > > > > I have an external MTA configured with Postfix that delivers email to an > internal IMAP/LMTP > > Dovecot server configured to bind an LDAP to check if users exist. > > You should have postfix do the checking for whether or not users exist > and then have postfix reject and deny the message. Then you don't > care because the IP of the postfix server is almost certainly your MX > server. > > > If the user does not exist, my MX sends a non delivery notification, > > and into the e-mail there's the local IP address of the Dovecot > > server. > > > I can't find a way to remove or hide that IP, here is an example of line > that contains the IP > > (with X) that I would like to hide/remove: > > > "The mail system > > > <user@domain>: host hostname.domain.com[XXX.XXX.XXX.XXX] said: 550" > > > Thanks in advance! > > > Cheers > > > -- > > Claudio > >
