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RFC 7293: The Require-Recipient-Valid-Since Header Field and SMTP Service Extension

In plain English — editorial summary, not part of the RFC

This document defines an extension for the Simple Mail Transfer Protocol (SMTP) called "RRVS" to provide a method for senders to indicate to receivers a point in time when the ownership of the target mailbox was known to the sender. This can be used to detect changes of mailbox ownership and thus prevent mail from being delivered to the wrong party. This document also defines a header field called "Require-Recipient-Valid-Since" that can be used to tunnel the request through servers that do not support the extension. The intended use of these facilities is on automatically generated messages, such as account statements or password change instructions, that might contain sensitive information, though it may also be useful in other applications.

Document record

Document ID
RFC7293
Published
July 2014
Authors
W. Mills; M. Kucherawy
Status
PROPOSED STANDARD
Stream
IETF
Area
art
Pages
24
Also known as
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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/7293-the-require-recipient-valid-since-header-field-and-smtp-service-extension