[Mailman-Users] Mailman 3.0 wishlist: imap protocol support

Barry Warsaw barry at list.org
Tue Feb 2 19:22:40 CET 2010

On Jan 31, 2010, at 10:05 PM, Karl O. Pinc wrote:

>As long as I'm requesting features, it'd be nice if
>the mailman archive was able to support access via
>the imap protocol.

Yes, that's something I definitely want to do.

>I would think it would make more sense to structure
>the archive in such a way that any old imap server could
>be used rather than build imap protocol support into
>mailman itself, but that's not for me to say.

There's no way I'm going to build (or maintain!) an imap server for Mailman.
Although details should be discussed on the mailman-developers list, my plan
is to provide something like the current archiver interface to allow Mailman
to 'send' messages to some service that would process the messages for a
particular imap server.  For example, there might be an implementation of that
interface for dovecot via maildir, or for whatever Twisted's imap server

The tricky part IMO is access control.  For example, a list's imap folder
should generally be world readable, except for private mailing lists, but only
list and site admin should have write access to the folder.

I'd also like to support a use case where list moderation could be handled
through the imap interface.  E.g. instead of a web page, a moderator could
approve or discard messages just by moving them between imap folders for the

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