# The hosts that Postfix will try to connect to
hosts = host1.some.domain host2.some.domain

# The user name and password to log into the pgsql server.
user = postfix
password = some_password

# The database name on the servers.
dbname = mailsys

# Postfix 2.2 and later The SQL query template. See pgsql_table(5).
query = SELECT address FROM postfix_maildir WHERE address='%s'
 UNION SELECT destination FROM postfix_alias WHERE address='%s