This key has an encryption subkey. Please use it to send encrypted emailsent to the core developers encrypted mailing list: [[tails@boum.orgs to our contact address: [[info@tails.net|about/contact#tails]].
Plugging other removable media in the air-gapped Tails to send the public key, secret key stubs, parts of the secret master key, and so on to the outside world.