Tracing IMAP commands on the server
Veigar Freyr Jökulsson
veigar at tviund.is
Wed Sep 4 14:12:07 EDT 2002
You can create a folder named after the user in under the 'log' directory,
in my case it is /var/imap/log
If cyrus finds the folder it writes all the IMAP commands and respnses
to a file named after the pid of the imapd.
--
Veigar Freyr Jökulsson
veigar at tviund.is
> All,
>
> We are using mozilla as our preferred mail client at work together with
> a Cyrus 2.0.16 IMAP server. This combination works fine for the most
> part, though I'd like to debug one problem that I'm pretty sure is a
> Mozilla bug. Sometimes, when I read messages they are marked as read in
> the mail client but a few minutes later (probably when the client checks
> for new mail the next time) they reappear as unread again in Mozilla.
> This mostly happens with messages that are filtered by sieve into
> subfolders of the INBOX, not so often in the INBOX itself.
>
> Mozilla by defaults starts up 5 concurrent connections to the IMAP
> server, this allows the user to read messages while Mozilla is checking
> for new messages in the background. I'm concerned that these 5
> connections somehow have some kind of race condition where one will mark
> a message unread and another connection just returned from a new mail
> scan where the message was unread.
>
> I have tried to debug this by monitoring the traffic using tcpdump
> (ethereal actually). I find this pretty hard though and I'm looking for
> advice on how to debug this from the servers perspective. Can I turn on
> some command tracing in cyrus ? What are the implications when one
> client have 5 simultaneous connections open to the IMAP server for
> debugging ?
>
> Thanks
> --
> Daniel Nilsson
> Senior Consultant
> Signal Integrity Software Inc.
> 6 Clock Tower Place, Suite 250
> Maynard, MA 01754
> Phone: (978) 461-0449, ext 12
> Cell: (508) 783-1379
> http://www.sisoft.com
>
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