Why is my DKIM signature invalid? (The p= field must be base64 encoded)

Discussion in 'Mail Server Support' started by popowich, May 8, 2015.

  1. popowich

    popowich EQ Forum Admin Staff Member

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    Are you troubleshooting why your DKIM signature is not passing validation tests?

    If you are getting the error "The p= field must be base64 encoded" that is most likely because of extra lines or white space, for example:

    DKIM base64 errors.jpg

    In this case it appears the p= was broken into multiple lines. Try moving the white space and retesting.
     


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