[Dovecot] Restrict clients access during mailboxes convertion ?

[Timo Sirainen]

On Fri, 2011-03-25 at 16:34 +0100, Frank Bonnet wrote:

> Is there a way to restrict access to Dovecot server during
> mailboxes convertion ?

You'd want to also tempfail all mail deliveries.

> I need dovecot to be running to convert mailboxes from
> a format to another, but I would like to block all our
> LAN clients until the end of convertion.
> 
> If there is no internal Dovecot mechanism I will use
> some firewall rule on the server.

Why not simply stop Dovecot?