Getting lots of spam email HASHCASH_ADMINMAILHEADE


#1

im getting a lot of spam w/ the following info and a blank body:

Subject: _HASHCASH_ADMINMAILHEADER
From: myemail@domain.com
Date: Mon, March 12, 2007 2:21 am
To: myemail@domain.com

any idea what’s causing this or how to stop it? anyway i can block this from getting into my inbox?

thanks