I sent a email message to info@parallels.com on June 25 (21 days ago) and never received a reply.
On the chance that either my message or the reply was lost, I just resent the message (July 16), and got a bounce message with this:
From:
RT_CorrespondAddressNotSet@rtsystem.parallels.com
Subject: Could not load a valid user
X-RT-Loop-Prevention: Parallels
Message-Id: <20070716202647.4AF185005F@rtsystem.parallels.com>
Date: Mon, 16 Jul 2007 15:26:47 -0500 (EST)
RT could not load a valid user, and RT's configuration does not allow
for the creation of a new user for your email.
-Phil