OneHive Letterbox app for iPhone and iPad

The official LetterBox app brings all your favorite functions to you iPhone or iPad in the most secure way. Keep track of incoming mails wherever you are and manage them on the go. You can grant access to your inbox to selected teammembers via the app and have the details of each mail available with just one click.

With the LetterBox app you can:
Overlook your digitalized mail and order the originals
Use the categories to easily prioritize more important mails
Look into your mail details to see attached files and notes