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DKIMDKIM

DKIM Usage Statistics · Download List of All Websites using DKIM

DomainKeys Identified Mail provides a method for validating a domain name identity that is associated with a message through cryptographic authentication.

SPFSPF

SPF Usage Statistics · Download List of All Websites using SPF

The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

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Last technology detected on 10th July 2025. We know of 5 technologies on this page and 61 technologies removed from propernotion.com since 21st June 2022. Link to this page.

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