#NEWLINE# def markBad( self , mx ) : #NEWLINE# #INDENT# 'Indicate a given mx host is not currently functioning.\n\n        @type mx: C{str}\n        @param mx: The hostname of the host which is down.\n        ' #NEWLINE# self . badMXs [ str ( self ) ] = ( self . clock . seconds ( ) + self . timeOutBadMX )