* form
* Fixed: Internal error occurred if an empty forward_destination was entered and forward_enabled was false
* Fixed: form did not check if forward_destination is empty.
* Fixed: form marked forward_destination field as read-only upon reloading form upon validation error
* api - create user and update/patch user
* Create/Patch user did not check if forward_destination email address is valid
* Create/Patch user did not check if forward_destination is present and forward_enabled is true
Anything that can be configured in the web administration interface,
can also be configured via the Mailu RESTful API.
See the section Advanced configuration in the configuration reference
for the relevant settings in mailu.env for enabling the API.
(API, WEB_API, API_TOKEN).