how expunge deleted messages?

[Hardy Merrill]

I haven't been able to find how to "expunge" deleted messages from
mutt - the only way I've been able to do that is to delete the
message(s) and then exit out of mutt, and then come back in.  Sorry
for these basic questions - still learning.

-- 
Hardy Merrill
Mission Critical Linux, LLC
http://www.missioncriticallinux.com