Does the DKIM selector need to be lowercase or it does not matter? | OnDMARC Help Center

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Does the DKIM selector need to be lowercase or it does not matter?

Does the DKIM selector need to be lowercase or it does not matter?

Is the DKIM selector case sensitive?

Written by Ivan Kovachev

Updated over a week ago

According to the RFC on DKIM, Section 3.1 Selectors, there is no mention of case sensitivity regarding DKIM selectors.

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