Originally Posted by uvbnserved
in the directory /var/spool/mail/ i click on clients name and it shows the mail ive sent to the account.
This looks like your server is using mbox instead of Maildir. What's in /etc/postfix/main.cf?
Did you forward the ports 25 (SMTP) and 110 (POP3) from your router to your server?
Does the MX record of your domain point to your server?
dig mx yourdomain.com