On Tue, 11 Jun 2002 01:42:20 GMT Roger Davis <[EMAIL PROTECTED]> wrote:

RD> is the first unread message body, but when I click on subsequent
RD> message headers it usually takes about 20 seconds for the message
RD> body to be transferred and displayed regardless of how small it is.

 Hello,

 this definitely doesn't seem normal -- I have some performance problems
sometimes, but it's just because the IMAP server I use is overloaded during
the "rush hour". When I use an IMAP server on the LAN everything is
instantaneous.

RD> Does anyone know what the problem here might be?

 Unfortunately no. Please try enabling the "Debug mail ..." option in the
last page of the preferences dialog (which will slow down the program even
more normally but this is not the point) and look if there is something
wrong going on, i.e. what commands does it send to the IMAP server. If you
don't see anything obviously wrong, please post the log of a [brief]
session here so that I could have a look at it -- thanks!

RD> The only configurable M option that would seem to have any effect on
RD> this is the IMAP message pre-fetch feature (IMAPlookahead), which I
RD> have set to 10. This seems to have no effect on my problem, however.

 It hardly should... What can be (very) slow is sorting/threading large
mailboxes, but I don't see why would it do it when retrieving messages.
Frankly, I don't see anything -- hopefully the debug log can show
something. The only explanation I see is that the download itself happens
quickly but that the program itself is too slow for your machine but I
can't quite believe it neither. Just for the record, what kind of machine
is it? Also, if you run top (or whatever is its equivalent under IRIX), how
much CPU usage does it show for M?

 Thanks,
VZ


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