You can Reset/Change an existing email address at any time.
- Tap the Menu icon in the top left corner
- Tap Settings
- Tap Manage Sudos
- Tap the Sudo you want to edit
- Tap Reset beside the the email address
You will then be taken through the steps of creating a new email address for your Sudo.
Please note: When you reset your email address, the history is deleted and non-recoverable.