--On Tuesday, October 9, 2007 14:19 +0100 Ian G Batten <ian.batten@xxxxxxxxxxxxxx> wrote: > We have ~35K mailboxes (as reported by ctl_mboxlist -d | wc -l), and > the LIST takes upwards of 5 minutes. The imapd spins as much CPU as > it can get hold of, too. We have 1,117,961 mailboxes in a murder. It takes about 1 second to do LIST "" * and oddly enough it takes longer, 7 seconds, to do ctl_mboxlist -d | wc -l Sorry this doesn't help solve your problem but it proves it should be a lot faster than that. Joseph Brennan Columbia University Information Technology ---- 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