Differences between revisions 7 and 8
Revision 7 as of 2012-12-12 11:31:02
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Editor: 31-18-52-102-dynip
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Revision 8 as of 2012-12-12 13:04:14
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Editor: nat-biblio
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Deletions are marked like this. Additions are marked like this.
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   * no: Not supported
   * once: When account is created. If the server adds/changes SPECIAL-USE configuration it's not picked up unless the account is recreated.
    * always: The client always (or periodically) checks for changes in the server's SPECIAL-USE configuration and either changes its own configuration or asks user what to do.
  * no: Not supported
  * once: When account is created. If the server adds/changes SPECIAL-USE configuration it's not picked up unless the account is recreated.
  * always: The client always (or periodically) checks for changes in the server's SPECIAL-USE configuration and either changes its own configuration or asks user what to do.
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||'''IMAP client''' ||'''SPECIAL-USE''' ||'''Lang''' ||'''Configurable''' ||'''\Sent''' ||'''\Trash''' ||'''\Drafts''' ||'''\Junk''' ||'''\Archive''' ||
||Thunderbird ||<#ff0000>no ||en ||yes ||Sent ||Trash ||Drafts ||Junk ||Archives ||
||Outlook 2013 ||<#00ff00>once/always? ||en ||yes? ||Sent Items ||? ||Drafts ||? ||? ||
||iPhone/iPad ||<#00ff00>once ||en ||yes? ||? ||? ||Drafts ||? ||- ||
||Roundcube ||<#ff0000>no ||en ||yes ||Sent ||Trash ||Drafts ||Junk ||Archive ||
||K9mail ||? ||en ||yes ||? ||? ||? ||? ||? ||
||IMP/horde||?||all||yes||Sent||Trash||Drafts||Spam||-||
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|| '''IMAP client''' || '''SPECIAL-USE''' || '''Lang''' || '''Configurable''' || '''\Sent''' || '''\Trash''' || '''\Drafts''' || '''\Junk''' || '''\Archive''' ||
|| Thunderbird ||<#ff0000>no || en || yes || Sent || Trash || Drafts || Junk || Archives ||
|| Outlook 2013 ||<#00ff00>once/always? || en || yes? || Sent Items || ? || Drafts || ? || ? ||
|| iPhone/iPad ||<#00ff00>once || en || yes? || ? || ? || Drafts || ? || - ||
|| Roundcube ||<#ff0000>no || en || yes || Sent || Trash || Drafts || Junk || Archive ||
|| K9mail || ? || en || yes || ? || ? || ? || ? || ? ||

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:

  • SPECIAL-USE: Does the client support SPECIAL-USE, and when?
    • no: Not supported
    • once: When account is created. If the server adds/changes SPECIAL-USE configuration it's not picked up unless the account is recreated.
    • always: The client always (or periodically) checks for changes in the server's SPECIAL-USE configuration and either changes its own configuration or asks user what to do.
  • Lang: ISO language code, e.g. "en", "de", "it".
  • Configurable: Are the mailbox names configurable by user?
  • \Fields: Name of the mailboxes that the client creates when it doesn't use the server's SPECIAL-USE names.
    • \All and \Flagged not included, because I don't think any IMAP clients actually have them?

Please update the table with any clients you know of!

IMAP client

SPECIAL-USE

Lang

Configurable

\Sent

\Trash

\Drafts

\Junk

\Archive

Thunderbird

no

en

yes

Sent

Trash

Drafts

Junk

Archives

Outlook 2013

once/always?

en

yes?

Sent Items

?

Drafts

?

?

iPhone/iPad

once

en

yes?

?

?

Drafts

?

-

Roundcube

no

en

yes

Sent

Trash

Drafts

Junk

Archive

K9mail

?

en

yes

?

?

?

?

?

IMP/horde

?

all

yes

Sent

Trash

Drafts

Spam

-

None: SpecialUse (last edited 2015-10-08 14:10:24 by 158)