Hard Bounce Metric

The from hard bounce metric represents the number of sent messages that were not delivered due to hard bounces.

What Does The Hard Bounce Metric Represent?

Hard bounces are permanent delivery failures. For example, the mailbox and/or domain does not exist for an email address. The from hard bounce metric represents the number of sent emails that were not delivered due to hard bounces.
Tip: For more information on the bounce classification system, see Email Bounce.

Why Is The Hard Bounce Metric Important?

The from hard bounce metric is important because it clarifies why contacts cannot be delivered to. If you are seeing a lot of hard bounces, you need to review who you are sending to and the content you are sending.

Tip: For more information on hard bounces, see Email Bounce.

How Is The Hard Bounce Metric Calculated?

Bad Email Address + Destination System Unreachable + Rejected Due To Message Content = From Hard Bounce

Note: The from hard bounce metric is a total of the 3 types of hard bounces recorded: