Server Name
and version
UW Cyrus 1.5.8 Alpha Simeon Message Service (SMS) 2.1 Microsoft Exchange Server V5.5 Innosoft PMDF
Supported 
Extensions
NAMESPACE 
4
5
SCAN 
SORT 
THREAD
ACL 
QUOTA 
LITERAL+ 
OPTIMIZE-1 
NAMESPACE 
1
2
UNSELECT
ACL 
QUOTA 
LITERAL+ 
OPTIMIZE-1
UIDPLUS
NAMESPACE 
1
2
3
IDLE 
LITERAL+ 
4
5
NAMESPACE
-
Authentication
(SASL)
GSSAPI (Kerberos V5), LOGIN Kerberos V4 KERBEROS V4, CRAM-MD5, PLAIN PLAIN, NTLM, DPA  CRAM-MD5, PLAIN
Protection
mechanisms
      SSL  
CharSets US-ASCII, UTF-8, ISO-8859-1 ... ISO-8859-9, 
ISO-2022-JP, ISO-2022-KR, ISO-2022-CN, 
ISO-2022-JP-1, ISO-2022-JP-2, GB2312, 
CN-GB, BIG5, CN-BIG5, EUC-JP, EUC-KR, 
Shift_JIS, KOI8-R, KOI8-U, KOI8-RU, TIS-620
US-ASCII, UTF-8, ISO-8859-1 ...
ISO-8859-9, KOI8-R, ISO-2022-JP
US-ASCII, UTF-8, ISO-8859-1 ... ISO-8859-9, 
KOI8-R, ISO-2022-JP
US-ASCII, ISO-8859-1 ...  ISO-8859-9 ?
Platforms AOS, AIX, Altos SVR4, AmigaDOS, SUN-OS, 
Solaris, Linux, IRIX, SCO, SCO Open Server, 
VAX Ultrix, HP-UX, QNX 4, Pyramid, OSF/1, 
UnixWare, LynxOS, PTX, FreeBSD, NetBSD, 
BSD, Data General DG/UX, EP/IX, Dynix, 
NEXTSTEP, Atari ST Mint, A/UX, Convex, 
Bull DPX/2 B.O.S., ICL RS/NX, MachTen, 
Windows NT
Digital UNIX, 
Linux, 
HP-UX, 
AIX, 
Solaris, 
SunOS

Digital UNIX, 
Linux (x86), 
HP/UX, 
AIX, 
Solaris, 
IRIX, 
DEC OSF/1,
Windows NT OpenVMS, 
Digital Unix, 
Sun Solaris
Contact 
information
Contact mrc@cac.washington.edu

Product is available at 
ftp://ftp.cac.washington.edu/imap/imap.tar.Z 

 

Contact cyrus-bugs@andrew.cmu.edu
Description 
http://andrew2.andrew.cmu.edu/cyrus/imapd/ 
Contact sales@esys.ca
Description http://www.esys.ca/pro.htm 
Contact 
http://www.microsoft.com/regwiz/regwiz.asp
Description 
http://www.microsoft.com/exchange/ 
Contact sales@innosoft.com

For product description  you can visit Innosoft

Information
author
Mark Crispin <MRC@cac.washington.edu> Mark Crispin <MRC@cac.washington.edu> Lyndon Nerenberg <lyndon@esys.ca> Mike Gahrns <mikega@microsoft.com> Chris Newman <Chris.Newman@innosoft.com>
Comments SORT extension - standardization  in progress 
THREAD - ORDEREDSUBJECT algorithm only
  OPTIMIZE-1  - Always on, unlike Cyrus. 

X-NON-HIERARCHICAL-RENAME  - 
These will go away in release 2.1 

X-LOGIN-CMD-DISABLED - 
This is advertised if the site policy forbids LOGIN 

SMS 2.1 originated from Cyrus 1.5.2

NTLM and DPA are not yet 
registered with IANA
Next version will have NAMESPACE support. 

Planning on adding ACL, QUOTA, 
LITERAL+ and STARTTLS.

           
Server Name
and version
Eudora WorldMail 2.0 Netscape Messenger 3.5 Lotus Domino 4.6 CentreNET AT-Mail Server v1.1
Supported 
Extensions
OPTIMIZE-1, IDLE LITERAL+, SCAN, QUOTA, 
XSENDER, X-NETSCAPE
- ACL, QUOTA, NAMESPACE
Authentication CRAM-MD5 LOGIN ? CRAM-MD5
Protection
mechanisms
  SSL ?  
CharSets US-ASCII, ISO-8859-1 ... ISO-8859-9 ? ? US-ASCII, ISO-2022-JP, Shift_JIS, EUC-JP
Platforms Windows NT Windows NT, HP-UX, IRIX, Solaris, AIX, 
Unix Digital, Netware, Alpha NT
? Windows NT (Japanese) on Intel and Alpha
Contact 
information
Description (and trial) 
http://www.eudora.com/worldmail
Contact jfs@netscape.com
For product description  you can visit Netscape
? Contact info info@allied-telesis.co.jp
Trial version is available at 
http://www.allied-telesis.co.jp/
Information
author
Randall Gellens <randy@qualcomm.com>   Barry Leiba <leiba@watson.ibm.com> Masayuki Sasaki <msasaki@allied-telesis.co.jp>
Comments Based on N-PLEX server     All documents of this product is written in Japanese only

 
 
Legend
1 - X-NON-HIERARCHICAL-RENAME 
2 - NO-ATOMIC-RENAME
3 - X-LOGIN-CMD-DISABLED
4 - MAILBOX-REFERRALS 
5 - LOGIN-REFERRALS

I want to see information about
Other version of "IMAP4 Server Capabilities" page (different layout)

I want to see IETF standard related pages

If you want to add/update information, send me email

List composed by Alexey Melnikov. Feel free to send me comments, corrections and additions to this list.
Information published on this page is for developers use only. It is prohibited to use this information for commercial purposes.

Last modified 26 July 1999