Answer:
The same guidelines you follow in the "real world" will apply to this virtual world. That is the good news. You still have only one set of rules to follow.
Two exceptions that may apply are SEC rules on emails addressing securities and possible application of Sarbanes-Oxley Section 404 requirements. On the latter, I have heard some opinions that this requires email retention.
The BOL Tools has record retention materials and the Banker Store has an online record retention service.
First published on BankersOnline.com 1/3/05