To use your Email plan, please follow these steps:

1. Sign in to your Dynadot account.
2. Select "My Domains" from the left-side menu bar and then click "Manage Domains" in the drop-down.
3. Check the box next to your domain name(s) and click on the "Action" button.
4. Choose "Email Settings" from the "Action" list.
5. Select "Dynadot Email Hosting" from the list of choices (we no longer sell new Advanced Hosting plans).
6. Press the "Save Email Settings" button to save your changes.
7. You should now see "Dynadot Email Hosting" listed alongside your domain on the "Manage Domains" in your Dynadot account.

Please be aware that it might take some time for your name server changes to propagate.