Webmail applications that are kind to the IMAP server?

[Sebastian Hagedorn]

-- Gary Mills <mills at cc.umanitoba.ca> is rumored to have mumbled on Montag, 
2. September 2002 11:20 Uhr -0500 regarding Webmail applications that are 
kind to the IMAP server?:

> We recently did a test of the IMP e-mail web application with fifteen
> simultaneous users, who were instructed to use IMP as rapidly as they
> could.  The load average on our Cyrus/sendmail mail server rose to 14,
> with `imapd' processes consuming most of the CPU.  I'm assuming that
> this happened because IMP starts a new IMAP session for each web
> transaction initiated by the user.
>
> Are there any e-mail web applications that are better behaved, in that
> they utilize a single IMAP session for the duration of the user's web
> session?  Are they otherwise as attractive as IMP?

We haven't been able to find any in our evaluation of webmail systems. 
We've chosen IMP for our webmail (<https://webmail.uni-koeln.de>) in spite 
of this issue. What bugs me is that the PHP module that's used for IMP 
seems to have a flag that basically says "use persistent connections".  I 
have no idea why the developers chose not to use it ...
--
Sebastian Hagedorn M.A. - RZKR-R1 (Flachbau), Zi. 18, Robert-Koch-Str. 10
Zentrum für angewandte Informatik - Universitätsweiter Service RRZK
Universität zu Köln / Cologne University - Tel. +49-221-478-5587
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