Outlook and IMAP IDLE

[Sébastien Michel]

2011/2/3 Jeroen van Meeuwen (Kolab Systems) <vanmeeuwen at kolabsys.com>

>  Sébastien Michel wrote:
>
> > Our clients ask us to open IMAP (previously mostly POP and Webmail
> access)
>
> > for their customers.
>
> > The impact is significant on I/O, specifically when IMAP clients poll to
>
> > ask for new messages.
>
> >
>
> > Most of their customers use Outlook Express (Windows XP) or the new
> Windows
>
> > Mail (Vista and Seven).
>
> > The impact of Outlook Express on I/O could be reduced thanks to IMAP
> IDLE.
>
> >
>
> I wasn't aware Outlook Express is still supported?
>
 I don't have Vista or Seven to test Windows Mail. But I assume it is the
same dll so with the same bug. And the bug impacts Outlook too. I will test
with outlook 2007 soon.


>  In any case, I very much doubt it is worthwhile fixing this on the server
> side, as some sort of nasty workaround for broken clients. Once we start
> going that route, none of the clients that pretend to be able to speak IMAP
> will have to actually be anywhere near compatible with the IMAP
> specifications.
>
> That said, however, if it is worthwhile, and somebody decides to provide a
> patch to fix it, I'm not going to stop anyone from doing just that! ;-)
>
> My patch is the same as dovecot's one. The UW's patch is probably better
(force Outlook to exit the IDLE state). I create an issue in bugzilla.

Regards,
Sébastien
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