Working gmail relay with postfix on OS X 10.9

/etc/postfix/main.cf:

relayhost=[smtp.gmail.com]:587
smtp_tls_loglevel=1
smtp_tls_security_level=encrypt
smtp_sasl_auth_enable=yes
smtp_sasl_password_maps=hash:/etc/postfix/saslpasswd
smtp_sasl_security_options=noanonymous

/etc/postfix/saslpasswd:

[smtp.gmail.com]:587 [email protected]:my password