Newbie help: Domain names as part of user names/mailboxes/etc?

[Jay Levitt]

> Why don't you just use jay as your sasldb2 username. Log in for mail
> using jay and your sasldb2 password. Set your MTA masquerade as jay.fm
> when you send mail outside your house. That's what I do in my house.

That's what I was trying to do, but saslpasswd2 automatically appends the
FQDN of the machine if I don't supply a domain name.  How do I get it not to
do that?

Jay