{"draft":"draft-ietf-sieve-3431bis-04","doc_id":"RFC5231","title":"Sieve Email Filtering: Relational Extension","authors":["W. Segmuller","B. Leiba"],"format":["ASCII","HTML"],"page_count":"9","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Sieve Mail Filtering Language","abstract":"This document describes the RELATIONAL extension to the Sieve mail\r\nfiltering language defined in RFC 3028. This extension extends\r\nexisting conditional tests in Sieve to allow relational operators.\r\nIn addition to testing their content, it also allows for testing of\r\nthe number of entities in header and envelope fields.\r\n\r\nThis document obsoletes RFC 3431. [STANDARDS-TRACK]","pub_date":"January 2008","keywords":["[--------|p]","relational operators"],"obsoletes":["RFC3431"],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC5231","errata_url":null}