On Thu, 2007-03-01 at 11:19 -0500, John Madden wrote: > FWIW, I turned off duplicatesuppression to no avail -- lmtpd still locks > and writes to /var/imap/deliver.db. ...So are you sure it's really > turned off? Well, it's funny, I still see the "duplicate_check" lines in the log, but watching the processes with strace I can't see the blocking behaviour anymore. I still do have heavy contention on some users' cyrus.header files though, not sure what I can do about that :( Andre ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html