Commands

CAPABILITY

Since: RFC 1730 (IMAP4)

NOOP

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

STARTTLS

Since: RFC 3501 (IMAP4rev1)

AUTHENTICATE

Parameters:

• authentication mechanism name

Since: RFC 1730 (IMAP4)

LOGIN

Parameters:

• user/user name
• password

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

LOGOUT

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

SELECT

Parameters:

• mailbox/mailbox name

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

ENABLE

Parameters:

• capability names

Since: RFC 9051 (IMAP4rev2)

BBOARD

Parameters:

• bulletin_board/bboard

Since: RFC 1176 (IMAP2)

In IMAP2bis: Yes

Updated: RFC 1732 (IMAP4 Compatibility with IMAP2 and IMAP2bis: Removal of BBOARD)

Removed: RFC 1730 (IMAP4)

FIND BBOARDS|MAILBOXES

Parameters:

• pattern

Since: RFC 1176 (IMAP2)

In IMAP2bis: Yes

Updated: RFC 1732 (IMAP4 Compatibility with IMAP2 and IMAP2bis: Removal of BBOARDS)

Obsoleted: RFC 1730 (IMAP4)

FIND ALL.MAILBOXES|ALL.BBOARDS

Parameters:

• pattern

In IMAP2bis: Yes

Updated: RFC 1732 (IMAP4 Compatibility with IMAP2 and IMAP2bis: Removal of ALL.BBOARDS)

Obsoleted: RFC 1730 (IMAP4)

EXAMINE

Parameters:

• mailbox name

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

CREATE

Parameters:

• mailbox name

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

DELETE

Parameters:

• mailbox name

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

RENAME

Parameters:

• existing mailbox name
• new mailbox name

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

SUBSCRIBE MAILBOX|BBOARD

Parameters:

• mailbox

In IMAP2bis: Yes

Updated: RFC 1732 (IMAP4 Compatibility with IMAP2 and IMAP2bis: Removal of BBOARD)

Obsoleted: RFC 1730 (IMAP4)

SUBSCRIBE

Parameters:

• mailbox

Since: RFC 1730 (IMAP4)

UNSUBSCRIBE MAILBOX|BBOARD

Parameters:

• mailbox

In IMAP2bis: Yes

Updated: RFC 1732 (IMAP4 Compatibility with IMAP2 and IMAP2bis: Removal of BBOARD)

Obsoleted: RFC 1730 (IMAP4)

UNSUBSCRIBE

Parameters:

• mailbox name

Since: RFC 1730 (IMAP4)

LIST

Parameters:

• reference name
• mailbox name with possible wildcards

Since: RFC 1730 (IMAP4)

NAMESPACE

Since: RFC 9051 (IMAP4rev2)

LSUB

Parameters:

• reference name
• mailbox name with possible wildcards

Since: RFC 1730 (IMAP4)

Obsolete: RFC 9051 (IMAP4rev2)

STATUS

Parameters:

• mailbox name
• status data item names

Since: RFC 2060 (IMAP4rev1)

APPEND

Parameters:

• mailbox name
• optional flag parenthesized list
• optional date/time string
• message literal

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

IDLE

Since: RFC 9051 (IMAP4rev2)

CHECK

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

CLOSE

Since: RFC 1730 (IMAP4)

UNSELECT

Since: RFC 9051 (IMAP4rev2)

EXPUNGE

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

COPY

Parameters:

• sequence/message set
• mailbox/mailbox name

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

MOVE

Parameters:

• sequence set

Since: RFC 9051 (IMAP4rev2)

FETCH

Parameters:

• sequence/message set
• data/message data item names/message data item names or macro

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

PARTIAL

Parameters:

• message sequence number
• message data item name
• position of first octet
• number of octets

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

Obsoleted: RFC 2060 (IMAP4rev1)

STORE

Parameters:

• sequence/message set/sequence set
• data/message data item name
• value/value for message data item

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

SEARCH

Parameters:

• optional character set specification/OPTIONAL [CHARSET] specification (Since RFC 1730: IMAP4)
• search_program/criteria/searching criteria (one or more)

Since: RFC 1064 (IMAP2)

In IMAP2bis: Yes

UID

Parameters:

• command name
• command arguments

In IMAP2bis: Yes

Since: RFC 1730 (IMAP4)

READONLY

In IMAP3: Yes

READWRITE

In IMAP3: Yes

SELECT.VERSION

Parameters:

• (major_version minor_version)

In IMAP3: Yes

SELECT.FEATURES

Parameters:

• features

In IMAP3: Yes

SUPPORTED.VERSIONS

In IMAP3: Yes

FLAGS

In IMAP3: Yes

SET.FLAGS

In IMAP3: Yes