Sending an email programmatically without user intervention from within an App Inventor app is no simple task. There are different solutions available, but these are more advanced, because these require setting up a php server or using the web component together with OAuth.
The solution presented here is very easy and you can set this up in 15 minutes only.
Enjoy!
Taifun
Trying to push the limits of App Inventor!
Snippets,
Tutorials and
Extensions from
Pura Vida Apps by
Taifun.