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• 21:45, 1 November 2024 Sebastian talk contribs created page MTA-STS (Created page with "Category:Deliverability Category:Authentication In modern E-Mail communication, Opportunistic TLS is common. This means that TLS encryption for the transition of E-Mail is negotiated by MTAs on both ends. If two MTAs can agree on a TLS encryption method and cypher, transit proceeds TLS encrypted. If, however, no agreement can be reached, mail is transferred unencrypted. MTA-STS was introduced in [https://tools.ietf.org/h...")