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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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Optage is a company that provides high-quality and affordable services based on its unique fiber optic network in the Kansai region. Visit the official website for more information.

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Last technology detected on 10th May 2025. We know of 3 technologies on this page and 2 technologies removed from srxnet.ne.jp since 25th August 2019. Link to this page.

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