Adding Custom Email Sender Generates Error "domain: Email domain already exists"
Last Updated:
Administration
Okta Classic Engine
Okta Identity Engine
Overview
An error occurs when an administrator attempts to add a custom email sender after removing a previous entry. The issue appears when the new entry is submitted.
The exact error message displayed is:
domain: Email domain already exists.
Applies To
- Custom Email Domain
Cause
The root cause of the issue is that the previous email domain entry persists in the system, even though it is no longer visible in the user interface (UI).
Solution
Use the API to remove the email domain entry that persists in the system but does not display in the UI.
- Integrate Okta with Postman by following the knowledge article below:
- List all email domains by following the documentation below:
- Delete the email domain by following the documentation below:
- Add the new email domain via the Okta Admin Console.
