deleting queued messages that can't be found

Hi,

I have a problem that is a side effect of several testing enviroments wit=
h
spam and virus filtering of email.

I am now happy with my current anti-virus and anti-spam configuration, it=
's
all working okay, but I have tested so many different implementations alo=
ng
the way.

My question is, how on earth do I delete queued messages from the mail qu=
eue
that apparently aren't there, but mailq reports them as being there, and
also is clogging my log file every minute with "warning: connect to
transport scan: Connection refused "

I am currently running Fedora Core 2, with Postfix (recompiled from SRPM =
to
allow MySQL integration)
Anti Virus is Clamd
ANti Spam is Spamassassin
and the thing that holds it all together is amavisd-new (with Berkeley DB
turned off )

Now, in my maillog I get the following error every minute...
ruby postfix/nqmgr[4527]: warning: connect to transport scan: Connection
refused
....
But all my mail is being delivered correctly, I also do not currently hav=
e a
transport called "scan". This transport is left over from MailScanner

So, I try to find the message that I assume is trying to connect to the s=
can
transport.
I type mailq, and I see 11 messages that occurred when I was using
MailScanner (and when I had a tiny configuration problem - doh !!, which =
is
now fixed)

mailq and webmin report the same messages being in the queue

Using Webmin, I go to the postfix mail queue and click on the message to
delete them, but I get an error saying that the message no alonger
available.

(I hope I've done an adequate job of describing my problem)

Thanks

Paul