Re: gnus IMAP vs. Exchange Server 2007

[Vitaly Mayatskikh <v.mayatskih@gmail.com>]

Mat Marcus <mat-lists@emarcus.org> writes:

> At work, we recently "upgraded" from MS Exchange Server 2003 to 2007. Suddenly
> gnus stopped working as an IMAP client. As Thunderbird also had problems I
> decided to do a little debugging. After viewing the *imap-log* I noticed that in
> the course of the seesion, gnus sends the command 
>
> 124 FETCH 1,* UID
>
> to which MS Exchange Server 2007
>
> 124 BAD The specified message set is invalid.
>
> Things go downhill from there. I also manually telneted in and issued the same
> command, and received the same result. My questions are:
>
> 1) is 124 FETCH 1,* UID a valid IMAP command for non-empty mailboxes?
> 2) if so, is this an MS Exchange Server 2007 bug?
> 3) in either case is there a patch workaround for gnus? I am currently running
> gnus "5.11" that comes with emacs 22.1.1. 
>
> Sorry if this has already been covered--I am not an expert in IMAP protocols,
> Exchange Server, or gnus.

(setq imap-enable-exchange-bug-workaround t)

"Documentation:
Send FETCH UID commands as *:* instead of *.
Enabling this appears to be required for some servers (e.g.,
Microsoft Exchange) which otherwise would trigger a response 'BAD
The specified message set is invalid.'."

-- 
wbr, Vitaly