{"draft":"draft-segmuller-sieve-relation-02","doc_id":"RFC3431","title":" Sieve Extension: Relational Tests ","authors":["W. Segmuller"],"format":["ASCII","HTML"],"page_count":"8","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IETF - NON WORKING GROUP","abstract":" 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.  [STANDARDS-TRACK]","pub_date":"November 2002","keywords":["sieve mail","filtering language"],"obsoletes":[],"obsoleted_by":["RFC5231"],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC3431","errata_url":null}