{"draft":"draft-freed-sieve-ihave-04","doc_id":"RFC5463","title":"Sieve Email Filtering:  Ihave Extension","authors":["N. Freed"],"format":["ASCII","HTML"],"page_count":"6","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"Sieve Mail Filtering Language","abstract":"This document describes the \"ihave\" extension to the Sieve email\r\nfiltering language.  The \"ihave\" extension provides a means to write\r\nscripts that can take advantage of optional Sieve features but can\r\nstill run when those optional features are not available.  The\r\nextension also defines a new error control command intended to be\r\nused to report situations where no combination of available\r\nextensions satisfies the needs of the script.  [STANDARDS-TRACK]","pub_date":"March 2009","keywords":["[--------]","SMTP","ESMTP"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":[],"see_also":[],"doi":"10.17487\/RFC5463","errata_url":null}