Filed in archive
Spam
by Sue Walsh on March 20, 2008

Creating storage systems for email archives is no small feat. Email items need to be retrieved out of the email system and stored retrievably for years. This requires storage and search capability which further increases the amount of information stored, since email storage may change when moving from an email database to a relational database or other storage, search indexes need to be created, stored and maintained, and finally, the entire archive needs to be aged and trimmed when the retention period for items has been reached.
When spam and other undesired content is received, depending on the industry, laws and compliance framework, this may mean that once a piece of spam has been retrieved, it may need to be archived along with legitimate mail in order to preserve the legitimacy and integrity of the archive.
With this in mind, the financial burden for storing spam is potentially massive, since spam is stored along with the rest of the archive for posterity.
If a company is subjected to a compliance or regulatory framework, making sure that spam doesn't enter a network in the first place becomes more important that ever. Once a company receives it, i.e. it was not blocked or rejected at the gateway, it is automatically enters the compliance storage lifecycle and may only legally leave the archive once the retention period is up.
Nicolas Blank is a Microsoft Infrastructure Architect and consultant, and specializes in Exchange, Active Directory, architecture, systems management, migration and scripting. Nicolas is a Microsoft MVP for Exchange and spends what spare time he has writing, blogging and talking about Exchange and associated technologies.
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Trackback: http://publish.creative-weblogging.com/publish/mt-tb.pl/117390
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