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|| '''RFC''' || '''Name''' || '''Capability name''' || '''[[http://james.apache.org/protocols/imap4.html|Apache James]]''' || '''[[http://archiveopteryx.org|Archive​opteryx]]''' || '''[[http://www.courier-mta.org/imap/|Courier]]''' || '''[[http://cyrusimap.web.cmu.edu/|Cyrus]]''' || '''[[http://www.dbmail.org/|DBMail]]''' || '''[[http://www.dovecot.org/|Dovecot]]''' || '''Exchange 2007''' || '''[[http://www.gmail.com/|GMail]]''' || '''[[http://www.icewarp.com|IceWarp]]''' || '''[[http://www.isode.com/products/m-box.html|Isode]]''' || '''[[http://www.oracle.com/us/products/applications/communications/unified-communications/messaging-server/overview/index.html|Oracle]]''' || '''[[http://www.washington.edu/imap/|UW-IMAP]]''' || '''[[http://www.wingate.com/|WinGate 7]]''' || '''[[http://www.communigate.com/cgatepro/Features.html#IMAP|Communigate Pro]]''' || '''[[http://www.axigen.com/docs/70/RFCs-Currently-Implemented-by-AXIGEN_191.html|Axigen]]''' ||
|| 2087 || [[http://www.ietf.org/rfc/rfc2087.txt|IMAP4 QUOTA extension]] || QUOTA ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||
|| 2088 || [[http://www.ietf.org/rfc/rfc2088.txt|IMAP4 non-synchronizing literals]] || LITERAL+ ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.5 ||<#ff6666>no ||<#66ff66>v1.0 ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 2177 || [[http://www.ietf.org/rfc/rfc2177.txt|IMAP4 IDLE command]] || IDLE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v2.0 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v6.3 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 2193 || [[http://www.ietf.org/rfc/rfc2193.txt|IMAP4 Mailbox Referrals]] || MAILBOX-REFERRALS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 2221 || [[http://www.ietf.org/rfc/rfc2221.txt|IMAP4 Login Referrals]] || LOGIN-REFERRALS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||
|| 2342 || [[http://www.ietf.org/rfc/rfc2342.txt|IMAP4 Namespace]] || NAMESPACE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.6 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||
|| 2971 || [[http://www.ietf.org/rfc/rfc2971.txt|IMAP4 ID extension]] || ID ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.6 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v7u4 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||
|| 3348 || [[http://www.ietf.org/rfc/rfc3348.txt|IMAP4 Child Mailbox Extension]] || CHILDREN ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v2.1 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||
|| 3502 || [[http://www.ietf.org/rfc/rfc3502.txt|IMAP4 MULTIAPPEND Extension]] || MULTIAPPEND ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.0 ||<#ff6666>no ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||
|| 3516 || [[http://www.ietf.org/rfc/rfc3516.txt|IMAP4 Binary Content Extension]] || BINARY ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||
|| 3691 || [[http://www.ietf.org/rfc/rfc3691.txt|IMAP4 UNSELECT command]] || UNSELECT ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.6 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v6.3 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||
|| 4314 || [[http://www.ietf.org/rfc/rfc4314.txt|IMAP4 Access Control List (ACL) Extension]] || ACL ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v10.0 ||<#66ff66>yes ||<#66ff66>v7u5 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||
|| 4314 || [[http://www.ietf.org/rfc/rfc4314.txt|IMAP4 Access Control List (ACL) Extension]] || RIGHTS=* ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.3 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7u5 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 4315 || [[http://www.ietf.org/rfc/rfc4315.txt|IMAP UIDPLUS extension]] || UIDPLUS ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.6 ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 4467 || [[http://www.ietf.org/rfc/rfc4467.txt|IMAP - URLAUTH Extension]] || URLAUTH ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 4469 || [[http://www.ietf.org/rfc/rfc4469.txt|IMAP CATENATE Extension]] || CATENATE ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.3 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 4731 || [[http://www.ietf.org/rfc/rfc4731.txt|IMAP4 Extension to SEARCH Command for Controlling What Kind of Information Is Returned]] || ESEARCH ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||
|| 4959 || [[http://www.ietf.org/rfc/rfc4959.txt|IMAP Extension for Simple Authentication and Security Layer (SASL) Initial Client Response]] || SASL-IR ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||
|| 4978 || [[http://www.ietf.org/rfc/rfc4978.txt|The IMAP COMPRESS Extension]] || COMPRESS=DEFLATE ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v2.0 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||
|| 5032 || [[http://www.ietf.org/rfc/rfc5032.txt|WITHIN Search Extension to the IMAP Protocol]] || WITHIN ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||
|| 5161 || [[http://www.ietf.org/rfc/rfc5161.txt|The IMAP ENABLE Extension]] || ENABLE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||
|| 5182 || [[http://www.ietf.org/rfc/rfc5182.txt|IMAP Extension for Referencing the Last SEARCH Result]] || SEARCHRES ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7u2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5255 || [[http://www.ietf.org/rfc/rfc5255.txt|IMAP Internationalization]] || I18NLEVEL=1 ^(L)^ ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5255 || [[http://www.ietf.org/rfc/rfc5255.txt|IMAP Internationalization]] || I18NLEVEL=2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5255 || [[http://www.ietf.org/rfc/rfc5255.txt|IMAP Internationalization]] || LANGUAGE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5256 || [[http://www.ietf.org/rfc/rfc5256.txt|IMAP SORT and THREAD Extensions]] || SORT ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v2.0 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v6.3 ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5256 || [[http://www.ietf.org/rfc/rfc5256.txt|IMAP SORT and THREAD Extensions]] || THREAD=ORDEREDSUBJECT ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v2.0 ||<#66ff66>yes ||<#66ff66>v2.1.10 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5256 || [[http://www.ietf.org/rfc/rfc5256.txt|IMAP SORT and THREAD Extensions]] || THREAD=REFERENCES ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v2.0 ||<#ff6666>no ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5257 || [[http://www.ietf.org/rfc/rfc5257.txt|IMAP - ANNOTATE Extension]] || ANNOTATE-EXPERIMENT-1 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5258 || [[http://www.ietf.org/rfc/rfc5258.txt|IMAP4 - LIST Command Extensions]] || LIST-EXTENDED ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5259 || [[http://www.ietf.org/rfc/rfc5259.txt|IMAP - CONVERT Extension]] || CONVERT ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5267 || [[http://www.ietf.org/rfc/rfc5267.txt|Contexts for IMAP4]] || ESORT ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5267 || [[http://www.ietf.org/rfc/rfc5267.txt|Contexts for IMAP4]] || CONTEXT=SEARCH ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5267 || [[http://www.ietf.org/rfc/rfc5267.txt|Contexts for IMAP4]] || CONTEXT=SORT ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5464 || [[http://www.ietf.org/rfc/rfc5464.txt|The IMAP METADATA Extension]] || METADATA ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.2.7 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v7.0.5 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5464 || [[http://www.ietf.org/rfc/rfc5464.txt|The IMAP METADATA Extension]] || METADATA-SERVER ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5465 || [[http://www.ietf.org/rfc/rfc5465.txt|The IMAP NOTIFY Extension]] || NOTIFY ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1.3 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5466 || [[http://www.ietf.org/rfc/rfc5466.txt|IMAP4 Extension for Named Searches (Filters)]] || FILTERS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5524 || [[http://www.ietf.org/rfc/rfc5524.txt|Extended URLFETCH for Binary and Converted Parts]] || URLAUTH=BINARY ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5530 || [[http://www.ietf.org/rfc/rfc5530.txt|IMAP Response Codes]] || - ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff66ff>FIXME ||<#ff6666>no ||<#ff66ff>FIXME ||<#66ff66>v7.0.5 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5550 || [[http://www.ietf.org/rfc/rfc5550.txt|The Internet Email to Support Diverse Service Environments (Lemonade) Profile]] || URL-PARTIAL ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5819 || [[http://www.ietf.org/rfc/rfc5819.txt|IMAP4 Extension for Returning STATUS Information in Extended LIST]] || LIST-STATUS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5957 || [[http://www.ietf.org/rfc/rfc5957.txt|Display-Based Address Sorting for the IMAP4 SORT Extension]] || SORT=DISPLAY ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6154 || [[http://www.ietf.org/rfc/rfc6154.txt|IMAP LIST Extension for Special-Use Mailboxes]] || SPECIAL-USE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6154 || [[http://www.ietf.org/rfc/rfc6154.txt|IMAP LIST Extension for Special-Use Mailboxes]] || CREATE-SPECIAL-USE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>partial ||<#66ff66>v10.0? ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6203 || [[http://www.ietf.org/rfc/rfc6203.txt|IMAP4 Extension for Fuzzy Search]] || SEARCH=FUZZY ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6237 || [[http://www.ietf.org/rfc/rfc6237.txt|IMAP4 Multimailbox SEARCH Extension]] || MULTISEARCH ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6785 || [[http://www.ietf.org/rfc/rfc6785.txt|Support for Internet Message Access Protocol (IMAP) Events in Sieve]] || IMAPSIEVE=* ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6851 || [[http://www.ietf.org/rfc/rfc6851.txt|IMAP MOVE Extension]] || MOVE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.5 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v16.0 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||
|| 6855 || [[http://www.ietf.org/rfc/rfc6855.txt| IMAP Support for UTF-8]] || UTF8=* ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 7162 || [[http://www.ietf.org/rfc/rfc7162.txt|IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)]] || CONDSTORE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.3 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||
|| 7162 || [[http://www.ietf.org/rfc/rfc7162.txt|IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)]] || QRESYNC ^(L)^ ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| '''RFC''' || '''Name''' || '''Capability name''' || '''[[http://james.apache.org/protocols/imap4.html|Apache James]]''' || '''[[http://archiveopteryx.org|Archive​opteryx]]''' || '''[[http://www.courier-mta.org/imap/|Courier]]''' || '''[[http://cyrusimap.web.cmu.edu/|Cyrus]]''' || '''[[http://www.dbmail.org/|DBMail]]''' || '''[[http://www.dovecot.org/|Dovecot]]''' || '''Exchange 2007''' || '''[[http://www.gmail.com/|GMail]]''' || '''[[http://www.icewarp.com|IceWarp]]''' || '''[[http://www.isode.com/products/m-box.html|Isode]]''' || '''[[http://www.oracle.com/us/products/applications/communications/unified-communications/messaging-server/overview/index.html|Oracle]]''' || '''[[http://www.washington.edu/imap/|UW-IMAP]]''' || '''[[http://www.wingate.com/|WinGate 7]]''' || '''[[http://www.communigate.com/cgatepro/Features.html#IMAP|Communigate Pro]]''' || '''[[http://www.axigen.com/docs/70/RFCs-Currently-Implemented-by-AXIGEN_191.html|Axigen]]''' || '''[[http://www.zimbra.com/|Zimbra]]''' ||
|| 2087 || [[http://www.ietf.org/rfc/rfc2087.txt|IMAP4 QUOTA extension]] || QUOTA ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 2088 || [[http://www.ietf.org/rfc/rfc2088.txt|IMAP4 non-synchronizing literals]] || LITERAL+ ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.5 ||<#ff6666>no ||<#66ff66>v1.0 ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 2177 || [[http://www.ietf.org/rfc/rfc2177.txt|IMAP4 IDLE command]] || IDLE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v2.0 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v6.3 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 2193 || [[http://www.ietf.org/rfc/rfc2193.txt|IMAP4 Mailbox Referrals]] || MAILBOX-REFERRALS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 2221 || [[http://www.ietf.org/rfc/rfc2221.txt|IMAP4 Login Referrals]] || LOGIN-REFERRALS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||
|| 2342 || [[http://www.ietf.org/rfc/rfc2342.txt|IMAP4 Namespace]] || NAMESPACE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.6 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 2971 || [[http://www.ietf.org/rfc/rfc2971.txt|IMAP4 ID extension]] || ID ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.6 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v7u4 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||
|| 3348 || [[http://www.ietf.org/rfc/rfc3348.txt|IMAP4 Child Mailbox Extension]] || CHILDREN ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v2.1 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 3502 || [[http://www.ietf.org/rfc/rfc3502.txt|IMAP4 MULTIAPPEND Extension]] || MULTIAPPEND ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.0 ||<#ff6666>no ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 3516 || [[http://www.ietf.org/rfc/rfc3516.txt|IMAP4 Binary Content Extension]] || BINARY ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||
|| 3691 || [[http://www.ietf.org/rfc/rfc3691.txt|IMAP4 UNSELECT command]] || UNSELECT ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.6 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v6.3 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||
|| 4314 || [[http://www.ietf.org/rfc/rfc4314.txt|IMAP4 Access Control List (ACL) Extension]] || ACL ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v10.0 ||<#66ff66>yes ||<#66ff66>v7u5 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 4314 || [[http://www.ietf.org/rfc/rfc4314.txt|IMAP4 Access Control List (ACL) Extension]] || RIGHTS=* ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.3 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7u5 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 4315 || [[http://www.ietf.org/rfc/rfc4315.txt|IMAP UIDPLUS extension]] || UIDPLUS ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v1.6 ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||
|| 4467 || [[http://www.ietf.org/rfc/rfc4467.txt|IMAP - URLAUTH Extension]] || URLAUTH ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 4469 || [[http://www.ietf.org/rfc/rfc4469.txt|IMAP CATENATE Extension]] || CATENATE ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.3 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 4731 || [[http://www.ietf.org/rfc/rfc4731.txt|IMAP4 Extension to SEARCH Command for Controlling What Kind of Information Is Returned]] || ESEARCH ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||
|| 4959 || [[http://www.ietf.org/rfc/rfc4959.txt|IMAP Extension for Simple Authentication and Security Layer (SASL) Initial Client Response]] || SASL-IR ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||
|| 4978 || [[http://www.ietf.org/rfc/rfc4978.txt|The IMAP COMPRESS Extension]] || COMPRESS=DEFLATE ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v2.0 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5032 || [[http://www.ietf.org/rfc/rfc5032.txt|WITHIN Search Extension to the IMAP Protocol]] || WITHIN ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5161 || [[http://www.ietf.org/rfc/rfc5161.txt|The IMAP ENABLE Extension]] || ENABLE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5182 || [[http://www.ietf.org/rfc/rfc5182.txt|IMAP Extension for Referencing the Last SEARCH Result]] || SEARCHRES ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7u2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5255 || [[http://www.ietf.org/rfc/rfc5255.txt|IMAP Internationalization]] || I18NLEVEL=1 ^(L)^ ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5255 || [[http://www.ietf.org/rfc/rfc5255.txt|IMAP Internationalization]] || I18NLEVEL=2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5255 || [[http://www.ietf.org/rfc/rfc5255.txt|IMAP Internationalization]] || LANGUAGE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5256 || [[http://www.ietf.org/rfc/rfc5256.txt|IMAP SORT and THREAD Extensions]] || SORT ^(L)^ ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v2.0 ||<#66ff66>yes ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v6.3 ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5256 || [[http://www.ietf.org/rfc/rfc5256.txt|IMAP SORT and THREAD Extensions]] || THREAD=ORDEREDSUBJECT ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v2.0 ||<#66ff66>yes ||<#66ff66>v2.1.10 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5256 || [[http://www.ietf.org/rfc/rfc5256.txt|IMAP SORT and THREAD Extensions]] || THREAD=REFERENCES ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v2.0 ||<#ff6666>no ||<#66ff66>v1.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5257 || [[http://www.ietf.org/rfc/rfc5257.txt|IMAP - ANNOTATE Extension]] || ANNOTATE-EXPERIMENT-1 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5258 || [[http://www.ietf.org/rfc/rfc5258.txt|IMAP4 - LIST Command Extensions]] || LIST-EXTENDED ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5259 || [[http://www.ietf.org/rfc/rfc5259.txt|IMAP - CONVERT Extension]] || CONVERT ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5267 || [[http://www.ietf.org/rfc/rfc5267.txt|Contexts for IMAP4]] || ESORT ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 5267 || [[http://www.ietf.org/rfc/rfc5267.txt|Contexts for IMAP4]] || CONTEXT=SEARCH ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5267 || [[http://www.ietf.org/rfc/rfc5267.txt|Contexts for IMAP4]] || CONTEXT=SORT ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5464 || [[http://www.ietf.org/rfc/rfc5464.txt|The IMAP METADATA Extension]] || METADATA ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.2.7 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v7.0.5 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5464 || [[http://www.ietf.org/rfc/rfc5464.txt|The IMAP METADATA Extension]] || METADATA-SERVER ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5465 || [[http://www.ietf.org/rfc/rfc5465.txt|The IMAP NOTIFY Extension]] || NOTIFY ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1.3 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5466 || [[http://www.ietf.org/rfc/rfc5466.txt|IMAP4 Extension for Named Searches (Filters)]] || FILTERS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5524 || [[http://www.ietf.org/rfc/rfc5524.txt|Extended URLFETCH for Binary and Converted Parts]] || URLAUTH=BINARY ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5530 || [[http://www.ietf.org/rfc/rfc5530.txt|IMAP Response Codes]] || - ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff66ff>FIXME ||<#ff6666>no ||<#ff66ff>FIXME ||<#66ff66>v7.0.5 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5550 || [[http://www.ietf.org/rfc/rfc5550.txt|The Internet Email to Support Diverse Service Environments (Lemonade) Profile]] || URL-PARTIAL ^(L)^ ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5819 || [[http://www.ietf.org/rfc/rfc5819.txt|IMAP4 Extension for Returning STATUS Information in Extended LIST]] || LIST-STATUS ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 5957 || [[http://www.ietf.org/rfc/rfc5957.txt|Display-Based Address Sorting for the IMAP4 SORT Extension]] || SORT=DISPLAY ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6154 || [[http://www.ietf.org/rfc/rfc6154.txt|IMAP LIST Extension for Special-Use Mailboxes]] || SPECIAL-USE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6154 || [[http://www.ietf.org/rfc/rfc6154.txt|IMAP LIST Extension for Special-Use Mailboxes]] || CREATE-SPECIAL-USE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>partial ||<#66ff66>v10.0? ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6203 || [[http://www.ietf.org/rfc/rfc6203.txt|IMAP4 Extension for Fuzzy Search]] || SEARCH=FUZZY ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.1 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6237 || [[http://www.ietf.org/rfc/rfc6237.txt|IMAP4 Multimailbox SEARCH Extension]] || MULTISEARCH ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6785 || [[http://www.ietf.org/rfc/rfc6785.txt|Support for Internet Message Access Protocol (IMAP) Events in Sieve]] || IMAPSIEVE=* ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6851 || [[http://www.ietf.org/rfc/rfc6851.txt|IMAP MOVE Extension]] || MOVE ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.5 ||<#ff6666>no ||<#66ff66>v2.2 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v16.0 ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 6855 || [[http://www.ietf.org/rfc/rfc6855.txt| IMAP Support for UTF-8]] || UTF8=* ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||
|| 7162 || [[http://www.ietf.org/rfc/rfc7162.txt|IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)]] || CONDSTORE ^(L)^ ||<#66ff66>yes ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>v2.3 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||
|| 7162 || [[http://www.ietf.org/rfc/rfc7162.txt|IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)]] || QRESYNC ^(L)^ ||<#66ff66>yes ||<#ff6666>no ||<#ff6666>no ||<#66ff66>v2.4 ||<#ff6666>no ||<#66ff66>v1.2 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||<#66ff66>v7.0 ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#ff6666>no ||<#66ff66>yes ||

Specifications

IETF groups:

IMAP extensions and server support:

RFC

Name

Capability name

Apache James

Archive​opteryx

Courier

Cyrus

DBMail

Dovecot

Exchange 2007

GMail

IceWarp

Isode

Oracle

UW-IMAP

WinGate 7

Communigate Pro

Axigen

Zimbra

2087

IMAP4 QUOTA extension

QUOTA

no

yes

yes

yes

yes

v1.0

no

yes

yes

yes

yes

no

no

yes

yes

yes

2088

IMAP4 non-synchronizing literals

LITERAL+ (L)

yes

yes

no

v1.5

no

v1.0

yes

yes

no

yes

yes

yes

yes

yes

yes

yes

2177

IMAP4 IDLE command

IDLE (L)

yes

yes

yes

v2.0

yes

v1.0

yes

yes

yes

yes

v6.3

yes

yes

yes

yes

yes

2193

IMAP4 Mailbox Referrals

MAILBOX-REFERRALS

no

no

no

v2.1

no

no

no

no

no

no

no

yes

no

no

no

no

2221

IMAP4 Login Referrals

LOGIN-REFERRALS

no

no

no

no

no

v1.0

no

no

no

no

v7.0

yes

no

yes

no

yes

2342

IMAP4 Namespace

NAMESPACE (L)

yes

yes

yes

v1.6

yes

v1.0

yes

yes

yes

yes

yes

yes

no

yes

yes

yes

2971

IMAP4 ID extension

ID

no

yes

no

v1.6

no

v1.2

no

yes

yes

no

v7u4

no

yes

yes

no

yes

3348

IMAP4 Child Mailbox Extension

CHILDREN

yes

yes

yes

v2.1

yes

v1.0

no

yes

yes

no

yes

yes

no

yes

yes

yes

3502

IMAP4 MULTIAPPEND Extension

MULTIAPPEND

no

yes

no

v2.0

no

v1.0

no

no

no

yes

no

yes

no

yes

yes

yes

3516

IMAP4 Binary Content Extension

BINARY (L)

no

yes

no

v2.2

no

v2.2

no

no

no

yes

yes

yes

no

yes

no

yes

3691

IMAP4 UNSELECT command

UNSELECT

yes

yes

no

v1.6

yes

v1.0

no

yes

yes

yes

v6.3

yes

yes

yes

no

yes

4314

IMAP4 Access Control List (ACL) Extension

ACL

no

yes

yes

yes

yes

v1.2

no

no

v10.0

yes

v7u5

no

no

yes

yes

yes

4314

IMAP4 Access Control List (ACL) Extension

RIGHTS=*

no

no

no

v2.3

no

v1.2

no

no

no

yes

v7u5

no

no

no

no

yes

4315

IMAP UIDPLUS extension

UIDPLUS (L)

yes

yes

yes

v1.6

no

v1.1

no

yes

yes

yes

yes

yes

yes

yes

yes

yes

4467

IMAP - URLAUTH Extension

URLAUTH

no

yes

no

v2.4

no

v2.2

no

no

no

yes

v7.0

no

no

no

no

no

4469

IMAP CATENATE Extension

CATENATE (L)

no

yes

no

v2.3

no

v2.2

no

no

no

yes

v7.0

no

no

no

no

yes

4731

IMAP4 Extension to SEARCH Command for Controlling What Kind of Information Is Returned

ESEARCH (L)

yes

yes

no

v2.4

no

v1.2

no

yes

no

yes

v7.0

yes

yes

yes

no

yes

4959

IMAP Extension for Simple Authentication and Security Layer (SASL) Initial Client Response

SASL-IR (L)

yes

yes

no

v2.2

no

v1.1

no

yes

no

yes

v7.0

yes

yes

yes

no

yes

4978

The IMAP COMPRESS Extension

COMPRESS=DEFLATE (L)

no

yes

no

v2.4

no

v2.0

no

yes

no

no

no

no

yes

no

no

yes

5032

WITHIN Search Extension to the IMAP Protocol

WITHIN

yes

yes

no

v2.4

no

v1.2

no

no

no

yes

v7.0

yes

yes

no

no

yes

5161

The IMAP ENABLE Extension

ENABLE (L)

yes

yes

no

yes

no

v1.2

no

yes

no

yes

v7.0

no

yes

no

no

yes

5182

IMAP Extension for Referencing the Last SEARCH Result

SEARCHRES

yes

no

no

no

no

v1.2

no

no

no

yes

v7u2

no

no

no

no

yes

5255

IMAP Internationalization

I18NLEVEL=1 (L)

yes

no

no

no

no

v1.1

no

no

no

no

no

yes

no

no

no

yes

5255

IMAP Internationalization

I18NLEVEL=2

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

5255

IMAP Internationalization

LANGUAGE

no

no

no

no

no

no

no

no

no

no

yes

no

no

no

no

no

5256

IMAP SORT and THREAD Extensions

SORT (L)

no

yes

yes

v2.0

yes

v1.0

no

no

yes

yes

v6.3

yes

no

no

no

yes

5256

IMAP SORT and THREAD Extensions

THREAD=ORDEREDSUBJECT

no

no

yes

v2.0

yes

v2.1.10

no

no

yes

yes

v7.0

yes

no

no

no

yes

5256

IMAP SORT and THREAD Extensions

THREAD=REFERENCES

no

no

yes

v2.0

no

v1.0

no

no

no

yes

v7.0

yes

no

no

no

no

5257

IMAP - ANNOTATE Extension

ANNOTATE-EXPERIMENT-1

no

yes

no

no

no

no

no

no

no

no

v7.0

no

no

no

no

no

5258

IMAP4 - LIST Command Extensions

LIST-EXTENDED

no

yes

no

v2.4

no

v1.1

no

no

no

yes

no

no

no

no

no

yes

5259

IMAP - CONVERT Extension

CONVERT (L)

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

5267

Contexts for IMAP4

ESORT (L)

no

no

no

no

no

v1.2

no

no

no

no

v7.0

no

no

no

no

yes

5267

Contexts for IMAP4

CONTEXT=SEARCH (L)

no

no

no

no

no

v1.2

no

no

no

yes

v7.0

no

no

no

no

no

5267

Contexts for IMAP4

CONTEXT=SORT (L)

no

no

no

no

no

no

no

no

no

no

v7.0

no

no

no

no

no

5464

The IMAP METADATA Extension

METADATA

no

no

no

no

no

v2.2.7

no

no

yes

no

v7.0.5

no

no

no

no

no

5464

The IMAP METADATA Extension

METADATA-SERVER

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

5465

The IMAP NOTIFY Extension

NOTIFY (L)

no

no

no

v2.1.3

no

v2.2

no

no

no

no

no

no

no

no

no

no

5466

IMAP4 Extension for Named Searches (Filters)

FILTERS

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

5524

Extended URLFETCH for Binary and Converted Parts

URLAUTH=BINARY

no

no

no

v2.4

no

v2.2

no

no

no

no

no

no

no

no

no

no

5530

IMAP Response Codes

-

no

yes

no

no

no

v1.2

no

FIXME

no

FIXME

v7.0.5

no

no

no

no

no

5550

The Internet Email to Support Diverse Service Environments (Lemonade) Profile

URL-PARTIAL (L)

no

no

no

no

no

v2.2

no

no

no

no

yes

no

no

no

no

no

5819

IMAP4 Extension for Returning STATUS Information in Extended LIST

LIST-STATUS

no

no

no

no

no

v1.2

no

no

no

no

no

no

no

no

no

no

5957

Display-Based Address Sorting for the IMAP4 SORT Extension

SORT=DISPLAY

no

yes

no

yes

no

v1.2

no

no

no

no

no

no

no

no

no

no

6154

IMAP LIST Extension for Special-Use Mailboxes

SPECIAL-USE

no

no

no

no

no

v2.1

no

no

no

no

no

no

no

no

no

no

6154

IMAP LIST Extension for Special-Use Mailboxes

CREATE-SPECIAL-USE

no

no

no

no

no

no

no

partial

v10.0?

no

no

no

no

no

no

no

6203

IMAP4 Extension for Fuzzy Search

SEARCH=FUZZY

no

no

no

no

no

v2.1

no

no

no

no

no

no

no

no

no

no

6237

IMAP4 Multimailbox SEARCH Extension

MULTISEARCH

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

6785

Support for Internet Message Access Protocol (IMAP) Events in Sieve

IMAPSIEVE=*

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

6851

IMAP MOVE Extension

MOVE

no

no

no

v2.5

no

v2.2

no

yes

no

v16.0

no

no

yes

no

no

no

6855

IMAP Support for UTF-8

UTF8=*

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

no

7162

IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)

CONDSTORE (L)

yes

yes

no

v2.3

no

v1.2

no

yes

no

yes

v7.0

no

yes

no

no

yes

7162

IMAP Extensions: Quick Flag Changes Resynchronization (CONDSTORE) and Quick Mailbox Resynchronization (QRESYNC)

QRESYNC (L)

yes

no

no

v2.4

no

v1.2

no

no

no

yes

v7.0

no

no

no

no

yes

See also servers' compliancy status.

None: Specs (last edited 2020-04-03 10:37:20 by Stephan Bosch)