https://ifttt.com/applets/WEYSgreW-send-gmail-alert-when-adafruit-dooropen-feed-equals-0
Send Gmail alert when Adafruit DOOROPEN feed equals 0 - IFTTT
Get an automatic Gmail alert whenever your Adafruit DOOROPEN feed reports a value of 0. This helps you stay informed ... Adafruit, Gmail
sendgmailalertadafruitfeed