Mailboxes and SPECIAL-USE

Traditionally IMAP clients have automatically created Sent, Spam, etc. mailboxes themselves and used various different names for them. This of course makes interoperability between clients difficult. So SPECIAL-USE IMAP extension was developed to allow clients to determine which mailboxes should be used for which purposes.

This page could be helpful for IMAP server admins to figure out how all of this works in different IMAP clients. The columns mean:

Please update the table with any clients you know of!

IMAP client

SPECIAL-USE

CREATE-SPECIAL-USE

Lang

Configurable

\Sent

\Trash

\Drafts

\Junk

\Archive

Thunderbird

no

?

en

yes

Sent

Trash

Drafts

Junk

Archives

Outlook 2013

once/always? (XLIST-only)

?

en

yes?

Sent Items

?

Drafts

?

?

Outlook 2010

?

?

en

partially (Junk is fixed)

Sent Items

Trash

Drafts

Junk E-mail

?

iOS 5.0

always

?

en

yes

Sent Messages

Deleted Messages

Drafts

Junk

Archive

Mail.app (OSX 10.9)

once/always?

?

en

yes

Sent Messages

Deleted Messages

Drafts

Junk

-

Roundcube

no

?

en

yes

Sent

Trash

Drafts

Junk

Archive

KMail

?

?

en

yes

Sent

Trash

Drafts

Spam

?

K-9 Mail

once

no

en

yes

Sent

Trash

Drafts

Spam

Archive

Open-Xchange IMAP Client

always

?

en

yes

?

?

?

?

?

IMP/horde

?

yes

all

yes

Sent

Trash

Drafts

Spam

-

SpecialUse (last edited 2013-11-13 16:41:11 by a6569-0145787421)