payload:
  - 'alt1-mtalk.google.com'
  - 'alt2-mtalk.google.com'
  - 'alt3-mtalk.google.com'
  - 'alt4-mtalk.google.com'
  - 'alt5-mtalk.google.com'
  - 'alt6-mtalk.google.com'
  - 'alt7-mtalk.google.com'
  - 'alt8-mtalk.google.com'
  - 'mtalk.google.com'
  - 'mtalk-dev.google.com'
  - 'mtalk-staging.google.com'
  - 'mtalk4.google.com'