IMAP Server Compliance

Fully compliant servers:

Server

Checkpoint

\Recent

Atomic flags

Expunges

Failures

[http://www.dovecot.org/ Dovecot] 1.1.rc10+

Yes

Yes

Yes

B

0/34

Non-compliant servers:

Server

Checkpoint

\Recent

Atomic flags

Expunges

Failures

[http://www.archiveopteryx.org/ Archiveopteryx] 2.06

No

? (connections hang too easily)

C

[http://www.communigate.com/community/ CommuniGate Pro] 5.2.1

Yes

Yes

Yes

C

8/20

[http://www.courier-mta.org/imap/ Courier] 4.3.0

Yes

Unreliable

Yes

C

10/21

[http://cyrusimap.web.cmu.edu/ Cyrus] 2.3.11

No

Unreliable

Bugs

B? Buggy

6/21

[http://www.dovecot.org/ Dovecot] 1.0.11

Yes

Unreliable

Bugs

B

2/24

[http://www.isode.com/products/m-box.html Isode M-Box] 14.3a0

No

Unreliable

Yes

C

6/34

[http://www.sun.com/software/products/messaging_srvr/index.xml Sun Java Messenging Server] 6.3-0.15

No

Unreliable

Bugs

A

6/20

[http://www.washington.edu/imap/ UW-IMAP] 2007b, mix format

Yes

Yes

Yes

A

2/34

[http://www.zimbra.com/ Zimbra] 5.0.1

Yes

Yes

Yes

C

8/20

Major problems with multiple connections (makes further testing difficult and MAY CAUSE ACCIDENTAL MAIL LOSS!):

Server

Checkpoint

\Recent

Atomic flags

Expunges

Failures

[http://www.citadel.org/ Citadel] 7.32

No

?

?

EXPUNGEs sent too often

[http://www.ibm.com/software/lotus/products/notes/ IBM Domino] 8.0

No

Unreliable

?

C - Too many EXPUNGEs are sent, EXISTS is dropped before sending EXPUNGEs, FETCHing with valid messagesets produce errors

16/20

[http://www.kerio.eu/kms_home.html Kerio Mail Server] 6.5.0

?

?

?

EXPUNGEs not sent

16/20