メモ
# dpkg --get-selections | grep postfix
postfix install
postfix-ldap install
postfix-pcre install
postfix-tls install
# dpkg --get-selections | grep sasl
libsasl2 install
libsasl2-modules install
libsasl2-modules-gssapi-heimdal install
sasl2-bin install
chgrp postfix /var/spool/postfix/etc/sasldb2
chmod 640 /var/spool/postfix/etc/sasldb2
saslpasswd2 -f /var/spool/postfix/etc/sasldb2 -u $DOMAIN $USER
main.cf
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous, noplaintext
smtpd_sasl_local_domain = $mydomain
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated,
reject_unauth_destination
broken_sasl_auth_clients = yes
master.cf
smtps inet n - n - - smtpd
-o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes
