We also see the importance that Tutanota needs to be interoperable with other encryption solutions. We will develop an API so that Tutanota users can communicate with users of other secure services confidentially in the future.</p> What browsers does Tutanota support? Via what browsers can external recipients check their encrypted emails?<p>Tutanota supports the current version of the following browsers:</p> <ul> <li> <p>Firefox (desktop)</p> </li> <li> <p>