[Dovecot] logs show two connections to database even though using static driver

[Timo Sirainen]

On Sun, 2011-04-17 at 11:41 -0400, Gary Chodos wrote:
> passdb {
>   driver = sql
>   args = /etc/dovecot/dovecot-sql.conf.ext
> }
> 
> this works fine on a test machine but i still see *2* instead of 1
> connections to the pgsql db before a successful login is logged.. how
> can i avoid these extra connections?:

What Dovecot version? What is in dovecot-sql.conf.ext's connect setting?