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Re: IMAP and Exchange 2007 - imap-fetch-safe

From: Simon Josefsson
Subject: Re: IMAP and Exchange 2007 - imap-fetch-safe
Date: Tue, 13 Jan 2009 18:20:35 +0100
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.0.60 (gnu/linux)

Reiner Steib <address@hidden> writes:

>> It also goes away when I try to debug it.  I see the old error sometimes
>> when starting Gnus afresh, and the trace says imap-fetch-safe is called
>> from nnimap-find-minmax-uid.  It appears that the condition-case in
>> imap-fetch-safe isn't catching the error thrown by imap-parse-message.  

Maybe the problem is a condition-case within another condition-case
work?  I recall problems related to this when run as an async process

Maybe it is possible to re-write the approach without using
condition-case, that would likely be easier to debug anyway.

>> and it's not clear to me what the problem is with always using the
>> workaround anyhow.  Are there servers on which it's known to fail or be
>> noticeably slow?
> Simon?  Others?
> http://thread.gmane.org/gmane.emacs.gnus.general/66635/focus=94117

I'd prefer to avoid sending the Exchange bug-workaround approach
("1,*:*") to any server that does not need it.  I've seen servers that
(internally) open up all e-mails in the folder and searches them, but
for the 1,* approach was able to return data quickly.  This may be old
information now, but generally I don't see why imap.el should send poor
protocol output to all servers just because Exchange is broken.


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