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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 11th August 2025. We know of 10 technologies on this page and 37 technologies removed from cioxupload.com since 15th February 2016. Link to this page.

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cioxupload.com is ranked 37,274th in our top sites list. View BuiltWith Top Site Rank.

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