[imp] Re: IMP authentication and email access very slow

Gavin Kelman gavin.kelman at uk.lionbioscience.com
Mon Feb 14 02:48:53 PST 2005


Jan Schneider wrote:
> Zitat von Gavin Kelman <gavin.kelman at uk.lionbioscience.com>:
 >
>>>It would seem to me - and I am not all knowledgable on these matters,
>>>that in a way, you have answered your own question. You can't expect IMP
>>>to return the folder list faster than a direct telnet to the imap server
>>>would unless it somehow kept a cache of the folder list and provided you
>>>the list of mailboxes before it received them from your imap server.
>>
>>Absolutely. It seems (at a guess) that IMP (PHP/C-Client) is using the
>>list command rather than lsub, hence it takes a long time. If I telnet
>>to our Cyrus IMAP server and do '. lsub "" *', I get a list of
>>subscribed folders back straight away. I think I'll have to look into
>>how to make IMP and it's underlying tools use lsub instead of list...
> 
> 
> By setting IMP to use folder subscriptions in your preferences.

That's fixed it. Performance is now what I'd expect. Can I force that
option as default for all accounts?

Cheers,
Gavin.

-- 
Gavin Kelman
UNIX Administrator
LION Bioscience Ltd.


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