[Recipe Request]: Posteo

[magnouvean]

Preflight Checklist

• [X] I have read the Contributing Guidelines for this project.
• [X] I agree to follow the Code of Conduct that this project adheres to.
• [X] I have searched the issue tracker for a feature request that matches the one I want to file, without success.

Name of the service

Posteo

URL of the service

https://posteo.de

GitHub URL to a recipe that has already been created by someone else or you

https://github.com/MagicLike/ferdi-recipes/tree/master/posteo

Features you want implemented

Notification support for mail (it might already be supported in the recipe i found, I'm not sure).