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Barracuda Message Archiver

Understanding Encrypted and Digitally Signed Message Archival

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When you digitally sign a message, you embed information in the message that validates your identity. When you encrypt a message, it appears to be "scrambled" and can only by read by a person who has the message decryption key. Digitally signing a message ensures that the message originated from the stated sender, and encrypting ensures that the message has not been read or altered during transmission.

To encrypt messages, you can use the public-key cryptographic system. In this system, each participant has two separate keys: a public encryption key and a private decryption key. When someone wants to send you an encrypted message, they use your public key to generate the encryption algorithm. When you receive the message, you must use your private key to decrypt the message.

Because encrypted messages are secure, the content cannot be decrypted upon import by the Barracuda Message Archiver, and the content is therefore unavailable for search via the Barracuda Message Archiver.

Digitally-signed messages can sometimes be constructed in a format that cannot be searched for or rendered on the BASIC > Search page. If you use digitally signed messages, complete a test import to verify your messages can be rendered and searched. Contact Barracuda Networks Support if you need more information on testing your digitally-signed messages.

Barracuda Email Encryption Service

Messages encrypted using the Barracuda Email Encryption Service can be properly archived and searched via the Barracuda Message Archiver.

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