Simple example to setup postfix with satellite SMTP

Simple example to setup postfix with satellite SMTP

1. install postfix
   sudo aptitude install postfix
2. configure postfix
   sudo vi /etc/postfix/smtp_auth
   add your smtp authentication information in /etc/postfix/smtp_auth:
   smtp.foo.bar user@host:password
   and generate the postfix lookup table file (/etc/postfix/smtp_auth.db) using
   sudo postmap /etc/postfix/smtp_auth
   add the relayhost (outgoing smtp server e.g. smtp.foo.bar on port 587, depending your relay host info) information to /etc/postfix/main.cf:
   relayhost = [smtp.foo.bar]:587
   add the following lines to /etc/postfix/main.cf in order to enable smtp-auth for outgoing mails:
   smtp_sasl_auth_enable = yes smtp_sasl_password_maps = hash:/etc/postfix/smtp_auth smtp_sasl_security_options = noanonymous
3. restart postfix
   sudo service postfix restart