[rfc-dist] RFC 5231 on Sieve Email Filtering: Relational Extension

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        RFC 5231

        Title:      Sieve Email Filtering: Relational Extension 
        Author:     W. Segmuller, B. Leiba
        Status:     Standards Track
        Date:       January 2008
        Mailbox:    werewolf at us.ibm.com, 
                    leiba at watson.ibm.com
        Pages:      9
        Characters: 15243
        Obsoletes:  RFC3431
        See-Also:   

        I-D Tag:    draft-ietf-sieve-3431bis-04.txt

        URL:        http://www.rfc-editor.org/rfc/rfc5231.txt

This document describes the RELATIONAL extension to the Sieve mail
filtering language defined in RFC 3028.  This extension extends
existing conditional tests in Sieve to allow relational operators.
In addition to testing their content, it also allows for testing of
the number of entities in header and envelope fields.

This document obsoletes RFC 3431.  [STANDARDS TRACK]

This document is a product of the Sieve Mail Filtering Language
Working Group of the IETF.

This is now a Proposed Standard Protocol.

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 Internet
 Official Protocol Standards (STD 1) for the standardization state and
 status of this protocol.  Distribution of this memo is unlimited.

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