Few other issues on the page
# Postfix smtp-auth unix_listener /var/spool/postfix/private/auth { mode = 0660 user = postfix group = postfix }
listener should be /var/spool/postfix/private/auth-client
and for smtps you also need to uncomment this line in master.cf (in addition to the smtps line mentioned) submission inet n - - - - smtpd
Few other issues on the page
# Postfix smtp-auth postfix/ private/ auth {
unix_listener /var/spool/
mode = 0660
user = postfix
group = postfix
}
listener should be /var/spool/ postfix/ private/ auth-client
and for smtps you also need to uncomment this line in master.cf (in addition to the smtps line mentioned)
submission inet n - - - - smtpd