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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.

DMARCDMARC

DMARC Usage Statistics · Download List of All Websites using DMARC

A technical specification created by a group of organizations that want to help reduce the potential for email-based abuse

DMARC

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Last technology detected on 28th June 2021. We know of 8 technologies on this page and 41 technologies removed from german-seed-alliance.ru since 15th September 2013. Link to this page.

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