user = {{postfix_postfixadmin_mysql_username}}
password = {{postfix_postfixadmin_mysql_password}}
hosts = {{postfix_postfixadmin_mysql_host}}
dbname = {{postfix_postfixadmin_mysql_database}}
query          = SELECT domain FROM domain WHERE domain='%s' AND active = '1'
#query          = SELECT domain FROM domain WHERE domain='%s'
#optional query to use when relaying for backup MX
#query           = SELECT domain FROM domain WHERE domain='%s' AND backupmx = '0' AND active = '1'
#expansion_limit = 100