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help: how to configure DKIM?

Discussion in 'E-mail Discussions' started by baloneysandwich, May 6, 2013.

  1. baloneysandwich

    baloneysandwich Registered

    Jan 11, 2013
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    My naive understanding is that when a user enables DKIM in Cpanel>Mail>Email Authentication, incoming messages that either:

    a) don't have a "DKIM-Signature:" field, or
    b) fail the signature comparison test

    ...will both be rejected outright. Is that true?

    Poking around, one other possibility seems to be that failed messages get an "Authentication-Results" header attached to them, which Spam Assassin can then interpret, but there's no explanation of this in the docs.

    Can someone explain how this works? I don't want to dive in and start testing on a live server. My concern is that I don't want to implement any kind of spam control that rejects messages outright. I strongly prefer that they be routed to a spam folder.

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