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Hi, Our mail system uses dovecot-1.0-1.2.rc15.el5 in Centos-5.1 as our imap server. It connects to a pgsql database in another server as authentication backend. It works fine except occasionally fails to reconnect to the database after temporary network block, and dovecot has to be restarted to work again in such case. Since I can't find any specific setting in dovecot.conf to handle