DanielBlack &tde-authors; &tde-release-version; Reviewed: &tde-release-date; 2010 Daniel Black &tde-copyright-date; &tde-team; This handbook describes the sieve protocol. TDE sieve protocol Sieve is a protocol that is used to manage filters for email. The filters are stored and run on the email server. IETF RF5228 provides more information.