Thanks, I updated in the meantime to 1.02, which is currently the newest in OpenBSD 4.0 packages. The problem has vanished completely. Performance has gone up in general a lot, too.
This is a wonderful programme, thanks Timo, for your hard work and for responding to a newbie's question Peter Timo Sirainen wrote: > On Fri, 2007-08-31 at 22:50 +0100, peter wrote: >> I am getting random disconnects from my imap session, dificulties to >> revconnect, very sluggish behaviour when changing between mail folders >> also frequent and rapidly repititive messages on te client "mailserver >> x.x.x.x is not a imap4 server" >> >> I am running dovecot 1.0.rc2 from ports on OpenBSD 4.0 on a PIII, 500MHz >> 512MB > > That's a really old version. You should be running v1.0.0 or later. > >> Aug 31 20:51:57 apache dovecot: pipe() failed: Too many open files > > If the port used --with-ioloop=kqueue, that's the problem. kqueue is a > bit buggy with OpenBSD. >