Problem with cyrus-imapd <-> outlook

[pheonix1t]

Jose Antonio Becerra Permuy wrote:

> Hi everybody!
> I have a very strange problem and I write this to see if somebody else have 
> face it before.
> The imap server is cyrus-imapd 2.1.14.
> Clients are Microsoft Outlook XP running on Windows XP.
> Four clients have no problems at all.
> One client hangs many times (70% more or less) when trying to access to the 
> imap server. It only happens in this machine. It happens with every user. The 
> same users can use outlook in the other machines without problems. Outlook 
> Express works well in this machine (but the user wants Outlook XP). I already 
> have tried the usual and desperated method of formating and reinstalling 
> everything in the windows machine without success.
> I have captured the network traffic between client and server with tcpdump.
> Failed connection (I have hidden domain, user and password):
> 
> * OK www.domain.com Cyrus IMAP4 v2.1.10000 CAPABILITY.
> * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA L0001 LOGIN "xxxxx" "yyyyy".
> 0001 OK User logged in.
> 0002 IDLE.
> + idling.
> DONE.
> 0002 OK Completed.
> 0004 IDLE.
> + idling.
> 
> Successfull connection:
> 
> * OK www.domain.com Cyrus IMAP4 v2.1.10000 CAPABILITY.
> * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA L0001 LOGIN "xxxxx" "yyyyy".
> 0001 OK User logged in.
> 0002 IDLE.
> + idling.
> DONE.
> 0002 OK Completed.
> 0003 LIST "" "".
> * LIST (\Noselect) "." "".
> 0003 OK Compl0004 LIST "" "INBOX".
> * LIST (\HasNoChildren) "." "INBOX".
> 0000005 LSUB "" "*".
> * LSUB () "." "INBOX".
> 0005 OK Completed0006 IDLE.
> + idling.
> DONE.
> 0006 OK Completed.
> 0008 IDLE.
> + idling.
> DONE.
> ZZZZ LOGOUT.
> 0008 OK Completed.
> * BYE LOGOUT received
> 
> It seems that outlook sometimes doesn't send LIST command (?!). I am 
> absolutely lost. If somebody can help me I will be very grateful.
> Regards.
> 
> 
did you try installing the outlook updates?  I had similar problems, 
after installing all the updates from the ms office update website, it 
worked fine.