[root@emm etc]# cat /usr/lib64/sasl2/smtpd.conf pwcheck_method:auxprop mech_list: PLAIN LOGIN
stop saslauthd
chkconfig --del saslauthd
create the user sasldb saslpasswd2 -c -u ance.com -a smtpauth test saslpasswd2 -c -u kri.com -a smtpauth test
[root@emm etc]# ll /etc/sasldb2 -rw-r----- 1 postfix root 12288 Sep 20 15:35 /etc/sasldb2
in /etc/postfix/main.cf
smtpd_sasl_local_domain =
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions =
permit_sasl_authenticated,
permit_mynetworks,
check_relay_domains
smtpd_sender_restrictions =
reject_sender_login_mismatch
smtpd_sender_login_maps = hash:/etc/postfix/smtpd_sender_login_maps
postmap /etc/postfix/smtpd_sender_login_maps
cat /etc/postfix/smtpd_sender_login_maps
smtpmail -h 192.168.50.143 -f nil@ance.com -t gl@gmail.com -u test@ance.com -p qwerasdf sent
