Email Response codes

To analyse the notification responses, consider these response codes.
  • 0: UNKNOWN
  • 1: LINK CLICK
  • 2: MAIL OPEN
  • 3: SEND FAILURE
  • 4: MAIL DEPRECATED
  • 5: INBOUND EMAIL (currently not used)
  • 6: HARD BOUNCE
  • 7: SOFT BOUNCE
  • 8: ISP FEEDBACK
  • 9: OUT OF OFFICE
  • 10: UNSUBSCRIBE
  • 11: TECHNICAL ISSUE
  • 12: CHALLENGERESPONSE
  • 13: ADDRESS CHANGE
  • 14: LANDING PAGE