should I use noanonymous?

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http://serverfault.com – I have postfix and dovecot on a machine and I don't want anonymous sasl. This is my main.cf smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes broken_sasl_auth_clients = yes smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination (As you see I'm not using smtpd_sasl_security_options = noanonymous) In dovecot I don't have anonymous as auth_mechanisms as I don't want it: auth_mechanisms = plain login Is there any point in having smtpd_sasl_security_options = noanonymous in postfix as well? Don't these two (HowTos)