im using this guide http://www.howtoforge.com/postfix-v...ap-pop3-server-on-ubuntu-karmic-koala-9.10-p5 but when i go to stop postfix i get this * Stopping Postfix Mail Transport Agent postfix postfix: warning: valid_hostname: invalid character 32(decimal): mail.example.tld # ==> change this for your setup. postfix: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: mail.example.tld # ==> change this for your setup. [fail] any ideas never mind figured it out