[Dovecot] Problem with multiple Dovecot Instances

[Timo Sirainen]

On Fri, 2008-08-22 at 04:14 +0200, Manuel Maurer wrote:
> On Fri, 22 Aug 2008 04:50:40 +0300, Timo Sirainen <tss at iki.fi> wrote:
> > On Fri, 2008-08-22 at 03:45 +0200, Manuel Maurer wrote:
> > 
> >> The folder /var/run/dovecot_main was created at startup, just the
> >> login directory not, why?
> > 
> > Because you were using external authentication.
> But why do the logfiles say this directory is missing? As far as i
> understood the Login-Process, every imap-login and pop3-login process
> is chrooted inside the login folder until the user is authentificated.
> In this case it would be necessary to have this folder. When i create
> it by hand it is missing the authentification socket. Is this the 
> socket "default", normally located inside the login folder? If so,
> why is this also not created?

The directory isn't created if external authentication is used. I guess
the reason for this was that in such a case Dovecot can't really know
what the correct directory permissions would be. I guess it could still
create the directory if completely missing, but .. well, no-one uses
external auth. :)

> >> At the moment i got it up and running by using an own auth-process
> >> for every dovecot instance. But i would prefer authentification via
> >> one single process.
> > 
> > I didn't notice this in your previous settings. Unfortunately it doesn't
> > work like that currently, because Dovecots get confused as to who owns
> > which auth connection.
> Sorry, i misspresented this. I am not using this configuration when i try
> to
> set up the single auth-process. Just recognized that it is also possible to
> run dovecot in that way. But that's not what i want. The configuration i
> posted the very first time is that what i use (now with chroot and
> login_dir
> set to default).
> If i absolutely do not get it running with single auth, i would use
> an auth-server for every dovecot instance.

Currently there's no way to share the auth server. I'm not actually sure
if it's ever going to work, but hopefully with v2.0 you don't have to
run multiple instances because it'll be so much more configurable.
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