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.
Tencent QQ Mail Usage Statistics · Download List of All Websites using Tencent QQ Mail
SPF record for the popular Chinese social network platform.
Last technology detected on 29th May 2025. We know of 2 technologies on this page and 7 technologies removed from ouwei.cn since 4th October 2018. Link to this page.
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