[Dovecot] 1.2: Inotify instance limit for user exceeded, disabling?

[Timo Sirainen]

On Wed, 2010-08-11 at 18:08 +0100, Timo Sirainen wrote:
> On Wed, 2010-08-11 at 18:16 +0200, Ralf Hildebrandt wrote:
> > > > Aug 10 12:23:39 postamt dovecot: IMAP(megow): Inotify instance limit for user exceeded, disabling. Increase /proc/sys/fs/inotify/max_user_instances
> > 
> > > and you have over 128 connections running IDLE command.
> > 
> > That user is the ONLY user getting this error. He's the one user with
> > the most subfolders.
> 
> Is it possible that the user has over 128 IMAP connections? :) That's
> the only reason for this error I can think of.

Oh, I know: You're using virtual mailboxes?