[Dovecot] Dovecot pgsqlauthentication database reconnection/failover problem

[Frank Wang]

> > Is it possible to achieve similar failover using pgsql backend?
>
> It would require writing code to support that, but I'm not going to get
> around to it anytime soon. The MySQL-specific connection pooling code
> should probably be moved to generic code that works with all SQL
> backends.

Yeah, with generic pooling code, it'll definitely increase dovecot's 
availability for more situation.
Thanks for your nice work!

Regards,
Frank Wang