> I am having an issue where I cannot receive any mail from the outside
> without it bouncing back, nor can I telnet to my local Postfix mail port and
> send mail without receiving this error message:
> to=<[hidden email]>, relay=none, delay=0.06, delays=0.02/0.03/0/0,
> dsn=5.4.6, status=bounced (mail for mail.example.com loops back to myself)
You almost cetainly screwed up one of your mysql tables.
Replace your mysql tables by plain hash: files. Only AFTER Postfix
works as intended, replace one table at a time with mysql.