postfix mail configuration

relayhost = mail.internode.on.net:25
smtp_sasl_auth_enable = no
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtpd_sasl_path = smtpd
smtp_sasl_type = cyrus
smtp_sasl_tls_security_options = noanonymous
smtp_use_tls  = yes
smtp_tls_CAfile = /usr/share/ncat/ca-bundle.crt
mydomain =gmail.com
myorigin = gmail.com