Removed the currently not needed WHERE clause from the VIEW.
-- ----- with Dovecot v1.2.x the service managesieve was renamed to sieve-- ---ALTER TABLE users RENAME managesieve TO sieve;DROP VIEW dovecot_password;CREATE OR REPLACE VIEW dovecot_password AS SELECT local_part || '@' || domain_name.domainname AS "user", passwd AS "password", smtp, pop3, imap, sieve FROM users LEFT JOIN domain_name USING (gid);-- ----- Change the user name to the name of your dovecot database user.-- ---GRANT SELECT ON dovecot_password TO dovecot;-- ---^