Am Freitag, April 22, 2022 12:25 CEST, schrieb [email protected]: > I have found a strange issue, even i enabled the password auth for smtp, > user can send any other domain's email from the MUA by providing their > correct username/password. How can I disable this on postfix? for instance > user has password for [email protected], he should not send email from > [email protected] using the credential. > > Thanks > alice ming >
Hi, i guess you're looking for this option https://www.postfix.org/postconf.5.html#reject_sender_login_mismatch Have a nice day Juergen
smime.p7s
Description: S/MIME cryptographic signature
