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SMTP Require TLS Option

IETF • Standard • [Active*]

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Referenced By

Docs that depend on IETF RFC 8689

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Level 1 — direct dependents (docs that cite this doc)

IETF RFC 10003[Active*]
IETF RFC 9525[Active*]

References Of

Docs that IETF RFC 8689 depend on

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Level 1 — direct references (docs this doc cites)

IETF RFC 1939[Active*]
IETF RFC 2033[Active*]
IETF RFC 2119[Active*]
IETF RFC 3207[Active*]
IETF RFC 3461[Active*]
IETF RFC 3501[Superseded*]
IETF RFC 4033[Active*]
IETF RFC 4034[Active*]
IETF RFC 4035[Active*]
IETF RFC 4880[Superseded*]
IETF RFC 5228[Active*]
IETF RFC 5234[Active, Amended*]
IETF RFC 5248[Active*]
IETF RFC 5321[Active*]
IETF RFC 5322[Active, Amended*]
IETF RFC 5598[Active*]
IETF RFC 6125[Superseded*]
IETF RFC 6409[Active*]
IETF RFC 7525[Superseded*]
IETF RFC 7672[Active*]
IETF RFC 8174[Active*]
IETF RFC 8314[Active*]
IETF RFC 8461[Active*]
IETF RFC 8551[Active*]
IANA, "Permanent Message Header Field Names", <https://www.iana.org/assignments/message-headers>.EXTERNAL
IANA, "Mail Parameters", <http://www.iana.org/assignments/mail-parameters>.EXTERNAL
IANA, "Simple Mail Transfer Protocol (SMTP) Enhanced Status Codes Registry", <https://www.iana.org/assignments/smtp-enhanced-status-codes>.EXTERNAL