search for: sasl_password_maps

...password \ FROM users WHERE userid = '%n' AND domain = '%d' user_query = SELECT uid, gid, home FROM users WHERE userid = '%n' AND domain = '%d' This is the pertinent part of the postconf -fn output: broken_sasl_auth_clients = yes smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/usr/local/etc/postfix/sasl_password_maps smtp_sasl_security_options = noanonymous smtp_sasl_type = dovecot smtpd_client_restrictions = reject_unauth_pipelining permit_sasl_authenticated smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated smtpd_sasl_auth_enable = yes smtpd...