Monitoring the Status of Delivery

You can check the delivery status of email that was sent during the previous two weeks.

The following information can be obtained in 15-minute intervals for the previous two weeks:

Table 1. Items That Can Be Monitored
Item Description
Emails Sent This is the total number of emails that have been sent.
Bounces This is the total number of emails that were not delivered and returned to the sender.
Emails Refused This is the total number of emails that were refused by the incoming mail server at the destination.
Note:
  • It is not possible to check the details of each email that was bounced.

  • An email is determined to have bounced when any of the following errors occur:

    • Address unknown
    • Email refused
    • Mailbox full
    • Congestion
    • Domain name resolution failure
    • Server connection timeout
    • SMTP command response timeout
    • Delivery period expired
    • Other transmission errors
  • The number of emails refused is the number of emails for which 400 or 500 error codes were returned from the incoming mail server at the destination.