Thunderbird DKIM headers extension
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This is a simple Thunderbird extension which adds a new column to the message view: DKIM. This column displays the DKIM validation result: Valid or Invalid or Unsigned if no DKIM header was found. Only DKIM aware mail servers will add the Authentication-Results header to emails, which is required for this extension. For more information on DKIM, please see

Also note that upon installing this extension folders need to be reindexed in order to use the DKIM column.

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