DKIM version: RFC 4871 (v=1)

Version of specification used as basis: RFC 4871 (v=1) 

Name of product/service containing DKIM: BoostLetter.com

Software language, if API to capabilities is supplied:  PHP

Status: Available

Availability and how to obtain: Contact info@boostletter.com

Documentation URL: -

Licensing: Monthly fee

Provide text of license, standard citation, or URL to it: -