Update: I just received our own custom version of the message:
Hello user of Tech-report.com e-mail server,Yikes. I can see the lawsuits now. If you receive a message like this from one of your favorite sites or from your own domain, don't be fooled, or everybody will laugh at you.
We warn you about some attacks on your e-mail account. Your computer may contain viruses, in order to keep your computer and e-mail account safe, please, follow the instructions.
Advanced details can be found in attached file.
In order to read the attach you have to use the following password: 47333.
The Tech-report.com team http://www.tech-report.com