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.
Crystone Usage Statistics · Download List of All Websites using Crystone
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Last technology detected on 10th November 2019. We know of 2 technologies on this page and 27 technologies removed from patricus.com.pl since 24th September 2018. Link to this page.
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