Dnia 2.07.2025 o godz. 11:59:09 Burn Zero via Postfix-users pisze: > > Typically, neither is a good choice for *authentication* (logins via a > > password of some sort). Are you sure you're looking for > > *authentication* rather that email address validation? > > Yes, I am looking for authentication. For example, printers, scanners, > applications will need to send email to relay servers and this > requires authentication.
These probably have fixed IP addresses (if not, they should). Could you just allow mail from them by IP address? -- Regards, Jaroslaw Rafa r...@rafa.eu.org -- "In a million years, when kids go to school, they're gonna know: once there was a Hushpuppy, and she lived with her daddy in the Bathtub." _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org