+ <type>select</type>
+ <value id="RELAY">RELAY: Allow host/network/address to relay</value>
+ <value id="OK">OK: Accept local mail but disallow relay</value>
+ <value id="REJECT">REJECT: Reject messages</value>
+ <value id="DISCARD">DISCARD: Discard messages</value>
+ <value id="SKIP">SKIP: Apply default action to messages</value>
+ <value id="ERROR">ERROR: Reject message with custom error</value>