The following mail message in an archive causes mhonarc to fail to terminate
(runs forever (AKA an hour) with the CPU at 100%)
This bug is relative to wrong message date :
Date: Mon, 27 Aug 1956 21:41:17 +0000
From: Jeff Anderson <Jeff(_at_)homeautomator(_dot_)com>
Organization: Technical Multimedia, Inc.
You may pass messages to a filter before pass it to MHonArc. Test and correct
the date #YY with an sed script work and some patch as been proposed to fix
this in MHonArc him self.