A company should put an email records retention policy in place before they look at solutions for any kind of archiving....
It's all about meeting regulatory requirements. Most companies in the U.S., and many companies around the world, have various regulations covering electronic data retention. Whether you're a private or public company, there are data retention regulations for almost anyone who employs and does business in the U.S., so understanding those before you go out and spend money on technology and products and consulting will help you avoid problems.
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