[Dovecot] reject_authenticated_sender_login_mismatch not working

smtpd_sender_login_maps = mysql:/etc/postfix/sender_login_maps.cf >>

query = SELECT CONCAT(username,'@',domain) FROM mailboxes WHERE CONCAT( username, '@', domain ) = '%s' AND active = '1'* *UNION SELECT CONCAT(email, '@', domain) FROM forwardings WHERE goto='%s' AND isdomain='0' AND active='1' * *The Query is working correctly along with the credentials in the file. * *smtpd_sender_restrictions = permit_mynetworks, reject_authenticated_sender_login_mismatch, permit_sasl_authenticated, reject_non_fqdn_sender, reject_rhsbl_sender postmaster.rfc-ignorant.org=127.0.0.4, reject_rhsbl_sender abuse.rfc-ignorant.org=127.0.0.3, reject_unknown_sender_domain.

Jerrale G SC Senior Admin