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RFC 7352
Title: Sieve Email Filtering: Detecting Duplicate
Deliveries
Author: S. Bosch
Status: Standards Track
Stream: IETF
Date: September 2014
Mailbox: [email protected]
Pages: 15
Characters: 31191
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-appsawg-sieve-duplicate-09.txt
URL: https://www.rfc-editor.org/rfc/rfc7352.txt
This document defines a new test command, "duplicate", for the Sieve
email filtering language. This test adds the ability to detect
duplications. The main application for this new test is handling
duplicate deliveries commonly caused by mailing list subscriptions or
redirected mail addresses. The detection is normally performed by
matching the message ID to an internal list of message IDs from
previously delivered messages. For more complex applications, the
"duplicate" test can also use the content of a specific header field
or other parts of the message.
This document is a product of the Applications Area Working Group Working Group
of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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