[Dovecot] Multiple Dovecot instances over single mail store

[Timo Sirainen]

On Jun 5, 2009, at 9:26 AM, Zohan wrote:

> I want to know whether it is possible at all. If possible, how do we
> implement proper concurrent access (locking, etc.) between the two
> instances to a single maildir-based store? I guess this should be
> possible since I know Dovecot can operate NFS-backed mail stores, e.g.
> in a load-balancing cluster setup.

Works just fine, as long as the locking settings are the same (only  
lock_method with maildir).

> Second, is it OK to run the second instance in the same OS (we use
> Linux)? or chroot'ed or even virtualized solution will work better?

http://wiki.dovecot.org/RunningDovecot#Running_Multiple_Invocations_of_Dovecot