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.
H88 Usage Statistics · Download List of All Websites using H88
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Last technology detected on 26th July 2020. We know of 2 technologies on this page and 32 technologies removed from gcinvest.pl since 28th February 2013. Link to this page.
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