Everyone agrees that viruses that spread via e-mail (also known as computer worms) are a "Bad Thing," the solution to this problem seems to have escaped many people. The solve for this one is really very simple:
Self Control.

This article contains simple instructions on how to stop e-mail viruses and computer worms cold.

Read More for a Glossary and Descriptions of Computer Malware.

Flush dns to get a new name resolution. Also flush dns cache when you can’t access a newly registered domain name or resolve after clearing CMS cache.