Glossary

Glossary of terms related to Microsoft Exchange and Mobile Messaging

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J

Journaling

Journaling is type of error correction in a file system that logs file system changes to a journal before committing them to the main file system. Journaling file systems are less likely to become corrupted in the event of a power failure, system crash or hardware failure.

Junk Mail

Also referred to as SPAM, junk mail are unsolicited messages that come from marketers offering products for sale, or otherwise monetized. Junk Mail accounts for a large portion of all internet traffic. For business mail to be usable, Junk Mail filtering must be used to catch and segregate junk mail messages.