Configure DKIM Signing and Verification Using Amavis

Domain Keys Identified Mail (DKIM, or Mail Identified through Domain Keys) is a cryptographic technology using which domain owners publish the public keys of public-private key pairs used for signing email messages. This allows third parties to establish a degree of confidence about the message originating from designated and duly authorized infrastructure. In other words, it’s a been there ribbon.

This article explains how to configure a Kolab environment to sign mail messages with DKIM and verify DKIM signatures on inbound email.

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Public and Shared Folders

Public folders, aka. shared folders, are folders used to share information between multiple users or groups of users. As they are separate from any one individual user’s mailbox, with public and shared folders it does not matter who leaves or joins the team, group or organization. The user’s mailbox may be deleted, but Public folders and Shared folders remain.

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