The Reasons for Undelivered Emails chart displays the distribution of reasons why emails were not delivered to recipients during the selected reporting period. It helps users identify the main delivery issues and determine whether undelivered emails are due to mailbox problems, spam filtering, or other delivery issues.
Business Questions
The Reasons for Undelivered Emails chart helps answer the following business questions:
- Why were emails not delivered to recipients?
- Which undelivered email reason has the highest share?
- How many emails were undelivered for each reason?
- Are undelivered emails mainly caused by mailbox issues, spam filtering, or other reasons?
- Which delivery issues should be prioritized to improve email delivery performance?
- How can delivery failure reasons support email campaign quality analysis?
Displays the following measurements
Note:
To display detailed metrics for a selected reason, hover your mouse cursor over the required bar in the chart. The tooltip shows the reason for undelivered emails, the percentage share, and the count.
- Reason_Undelivered_Emails — shows the reason why the email was not delivered.
- % — shows the percentage share of undelivered emails for the selected reason.
- Count — shows the number of undelivered emails for the selected reason.
Example
In the tooltip example:
- Reason_Undelivered_Emails: Other
- %: 100.00%
- Count: 103728
This means that 103,728 emails were not delivered for the "Other" reason. This reason represents 100.00% of all undelivered emails in the selected reporting period.