> Hi again. > Thanks for your answer, > I don't run postfix in a jail. > > [EMAIL PROTECTED] postfix]# grep smtpd master.cf > smtp inet n - n - - smtpd > 587 inet n - n - - smtpd > #submission inet n - n - - smtpd > # -o smtpd_enforce_tls=yes > # -o smtpd_sasl_auth_enable=yes > # -o smtpd_client_restrictions=permit_sasl_authenticated,reject > smtps inet n - n - - smtpd > -o smtpd_tls_wrappermode=yes > -o smtpd_sasl_auth_enable=yes > -o smtpd_client_restrictions=permit_sasl_authenticated,reject > > Also I don't want to use sasldb for my authentication; my user information > is in mysql database. If you store user information in mysql, you also need to install cyrus-sasl-sql package
# yum install cyrus-sasl-sql And use following smtpd.conf pwcheck_method: auxprop mech_list: PLAIN LOGIN CRAM-MD5 auxprop_plugin: sql sql_engine: mysql sql_hostnames: localhost sql_user: postfix sql_passwd: postfix sql_database: postfix sql_select: select password from mailbox where username = '[EMAIL PROTECTED]' and active='1' log_level: 3 Use postfixadmin to manage your users in mysql