Sorry. I have solved the problem. I haven't uncommented the mode directives for the director service, so, I guess, I had a permissions problem.
Just a question about director... The main purpose of it it's to ensure that all connections from a user are directed to the same backend server, so you could rely on correct indexes and minimize index regenerations.
But, I could see there is director_user_expire option, with a default value of 15 minutes. By other way, If I run doveadm director status <user> I could see that there is a hashed server.
Does it means that there is no warrantee that if I connect today to server node1 the connection for tomorrow will be directed to the same server (because this timeout would expire)?
Or does it means that whenever as possible I will be directed to this hashed server and I will be directed to other server just when my hashed server is down (or I have another active session because of a previous downtime)?
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