3 - 1733 Distributed Electronic Mail Models in IMAP4
4 - 2088 IMAP4 non-synchronizing literals
5 - 2177 IMAP4 IDLE command
6 - 2180 IMAP4 Multi-Accessed Mailbox Practice
7 - 2595 Using TLS with IMAP, POP3 and ACAP
8 - 2683 IMAP4 Implementation Recommendations
9 - 2971 IMAP4 ID extension
10 - 3348 The Internet Message Action Protocol (IMAP4) Child Mailbox Extension
11 - 3501 INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1
12 - 3516 IMAP4 Binary Content Extension
13 - 3691 Internet Message Access Protocol (IMAP) UNSELECT command
14 - 4315 (2359) Internet Message Access Protocol (IMAP) - UIDPLUS extension
15 - 4466 Collected Extensions to IMAP4 ABNF
16 - 4467 Internet Message Access Protocol (IMAP) - URLAUTH Extension
17 - 4468 Message Submission BURL Extension
18 - 4469 Internet Message Access Protocol (IMAP) CATENATE Extension
19 - 4551 IMAP Extension for Conditional STORE Operation or Quick Flag Changes Resynchronization
20 - 4731 IMAP4 Extension to SEARCH Command for Controlling What Kind of Information Is Returned
21 - 4978 The IMAP COMPRESS Extension
22 - 5092 (2192) IMAP URL Scheme
23 - 5161 The IMAP ENABLE Extension
24 - 5162 IMAP4 Extensions for Quick Mailbox Resynchronization
25 - 5256 Internet Message Access Protocol - SORT and THREAD Extensions
26 - 5258 Internet Message Access Protocol version 4 - LIST Command Extensions
27 - 5267 Contexts for IMAP4
28 - 5530 IMAP Response Codes
29 - 5550 (4550) The Internet Email to Support Diverse Service Environments (Lemonade) Profile
30 - 5788 IMAP4 Keyword Registry
31 - 5819 IMAP4 Extension for Returning STATUS Information in Extended LIST
32 - 5957 Display-Based Address Sorting for the IMAP4 SORT Extension
33 - 6203 IMAP4 Extension for Fuzzy Search
36 - 5465 The IMAP NOTIFY Extension
37 - 6154 IMAP LIST Extension for Special-Use Mailboxes
40 - 1064 INTERACTIVE MAIL ACCESS PROTOCOL - VERSION 2
41 - 1176 Interactive Mail Access Protocol: Version 2
42 - 1203 Interactive Mail Access Protocol: Version 3
43 - 1730 Internet Message Access Protocol - Version 4
44 - 1732 IMAP4 Compatibility with IMAP2 and IMAP2bis
45 - 2060 Internet Message Access Protocol - Version 4rev1
46 - 2061 IMAP4 Compatibility with IMAP2bis
47 - 2062 Internet Message Access Protocol - Obsolete Syntax
48 - 2086 IMAP4 ACL extension
49 - 2095 IMAP/POP AUTHorize Extension for Simple Challenge/Response
50 - 2192 IMAP URL Scheme
51 - 2359 IMAP4 UIDPLUS extension
54 - 1731 IMAP4 Authentication Mechanisms
55 - 2087 IMAP4 QUOTA extension
56 - 2193 IMAP4 Mailbox Referrals
57 - 2195 (2095) IMAP/POP AUTHorize Extension for Simple Challenge/Response
58 - 2221 IMAP4 Login Referrals
59 - 2342 IMAP4 Namespace
60 - 3502 Internet Message Access Protocol (IMAP) - MULTIAPPEND Extension
61 - 3503 Message Disposition Notification (MDN) profile for Internet Message Access Protocol (IMAP)
62 - 4314 (2086) IMAP4 Access Control List (ACL) Extension
63 - 4549 Synchronization Operations for Disconnected IMAP4 Clients
64 - 4959 IMAP Extension for Simple Authentication and Security Layer (SASL) Initial Client Response
65 - 5032 WITHIN Search Extension to the IMAP Protocol
66 - 5182 IMAP Extension for Referencing the Last SEARCH Result
67 - 5255 Internet Message Access Protocol Internationalization
68 - 5257 Internet Message Access Protocol - ANNOTATE Extension
69 - 5259 Internet Message Access Protocol - CONVERT Extension
70 - 5464 The IMAP METADATA Extension
71 - 5466 IMAP4 Extension for Named Searches (Filters)
72 - 5593 Internet Message Access Protocol (IMAP) - URL Access Identifier Extension
73 - 5616 Streaming Internet Messaging Attachments
74 - 5738 IMAP Support for UTF-8
75 - 6186 Use of SRV Records for Locating Email Submission/Access Services
76 - 6237 IMAP4 Multimailbox SEARCH Extension
79 - 3656 The Mailbox Update (MUPDATE) Distributed Mailbox Database Protocol
80 - 3807 V5.2-User Adaptation Layer (V5UA)
81 - 4416 Goals for Internet Messaging to Support Diverse Service Environments
82 - 5232 Sieve Email Filtering: Imap4flags Extension
83 - 5423 Internet Message Store Events
84 - 5524 Extended URLFETCH for Binary and Converted Parts