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RFC 2487 - SMTP Service Extension for Secure SMTP over TLS

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SMTP Service Extension for Secure SMTP over TLS (RFC 2487, ; obsoleted by RFC 3207)

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RFC 2487: SMTP Service Extension for Secure SMTP over TLS

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https://datatracker.ietf.org/doc/html/rfc2487

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IETF Datatracker

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This document describes an extension to the SMTP service that allows an SMTP server and client to use transport-layer security to provide private, authenticated communication over the Internet. This gives SMTP agents the ability to protect some or all of their communications from eavesdroppers and attackers. [STANDARDS-TRACK]

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