A user i getting returned emails that she did not send in her Junk Mail.
How can this happen & prevent it?
This is the messge
Hi. This is the qmail-send program at presenta.net.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
--- Below this line is a copy of the message.
Received: (qmail 31712 invoked from network); 16 Nov 2010 13:07:21 -0000
Received: from unknown (HELO microsof-007cad) (18.104.22.168)
by presenta.net with SMTP; 16 Nov 2010 13:07:21 -0000
Received: from [22.214.171.124] by mailhub1.ahsys.org; Tue, 16 Nov 2010 16:37:50 +0300
Date: Tue, 16 Nov 2010 16:37:50 +0300
From: "Stacy Dickinson" <firstname.lastname@example.org>
X-Mailer: The Bat! (v2.10.03) Personal
X-Priority: 3 (Normal)
vdeliver: Invalid or unknown virtual user 'gcanton'
vdeliver: Invalid or unknown virtual user 'gcequality'