Very annoying IMAP problem (cyrus + Outlook)

Michael Menge michael.menge at
Fri Aug 22 05:45:38 EDT 2008

Quoting Denis BUCHER <dbucherml at>:

> Hello,
> We have 50 people using Outlook on our IMAP cyrus server. It's
> wonderful : fast, efficient, no problem, easy...
> But for 4-5 days I have a strange problem only on one PC :
> * Outlook has to reconnect to the server every 5 minutes because of
> "Fatal error: word too long".
> As far as I understand, the cause of the problem is :
> * "Outlook is sending either a token or quoted string that is longer
> than 8K bytes."
> But how could I correct this problem either in Outlook or cyrus ???
> * Can I simply delete the "offending" email in Outlook, but how to
> find which one ?
> Thanks a lot in advance for your help !
> Denis Bucher


you can investigate the problem further by activating cyrus telemetry  
logging for that user. Create a directory with the name of the userid  
in {configdirectory}/log . Cyrus will create files in there wich will  
contain all data send and recieved after authentication.

        Michael Menge

M.Menge                                 Tel.: (49) 7071/29-70316
Universitaet Tuebingen                  Fax.: (49) 7071/29-5912
Zentrum fuer Datenverarbeitung          mail:  
michael.menge at
Waechterstrasse 76
72074 Tuebingen

More information about the Info-cyrus mailing list