docs: function enableAnomalyMail(flag) {
  	emailOn = flag
  	if (!isEmailOn()) { // notify if off state
  		var printableState = typeof flag === 'number' ?
  			'disabled until: ' + (new Date(flag)).toISOString().substring(0, 10) :
  			'disabled'
  		var callersLocation = haraldutil.getLocation({offset: 1, folder: false, object: false, fileLine: true, dropExt: true})
  		log(id, printableState, callersLocation)
  	}
  	return emailOn
  }