cask 'airmail-beta' do
  version '2.6.1,352'
  sha256 '8ddc915a1e7e5031ff592925d55d8016992e17f497d90135d4dbafac127ee6f3'

  # hockeyapp.net/api/2/apps/84be85c3331ee1d222fd7f0b59e41b04 was verified as official when first introduced to the cask
  url 'https://rink.hockeyapp.net/api/2/apps/84be85c3331ee1d222fd7f0b59e41b04?format=zip'
  appcast 'https://rink.hockeyapp.net/api/2/apps/84be85c3331ee1d222fd7f0b59e41b04',
          checkpoint: 'fa45a73c4d4dc64377e3e5ffbd356fd416a573d676c8d9eb74465d1100f52a01'
  name 'AirMail'
  homepage 'http://airmailapp.com/beta/'
  license :unknown # TODO: change license and remove this comment; ':unknown' is a machine-generated placeholder

  app 'AirMail Beta.app'
end

cask 'airmail-beta' do
  version '2.6.1,353'
  sha256 'a728b354f1065f2b3d92f053af42e5288546103522438f39e5f8ad210442fb29'

  # hockeyapp.net/api/2/apps/84be85c3331ee1d222fd7f0b59e41b04 was verified as official when first introduced to the cask
  url 'https://rink.hockeyapp.net/api/2/apps/84be85c3331ee1d222fd7f0b59e41b04?format=zip'
  appcast 'https://rink.hockeyapp.net/api/2/apps/84be85c3331ee1d222fd7f0b59e41b04',
          checkpoint: '702b1b55240acf127b651b3461e2bc2b56c4abde0ece48ee65dff9b3247f09b4'
  name 'AirMail'
  homepage 'http://airmailapp.com/beta/'
  license :commercial

  app 'AirMail Beta.app'
end

Update Airmail Beta to version 2.6.1,353
Update Airmail Beta to version 2.6.1,353

This commit updates the version, sha256 and checkpoint stanzas. It
also changes the license from `:unknown` to `:commercial`
