send_email
   from => 'A. T. Tappman',
   to => ['suchandsuch@example.com', 'soandso@example.org'],
   cc => 'somebodyelse@example.net',
   subject => 'Important message',
   body => 'I yearn for you tragically.',
   host => 'smtp.example.com:587',
   user => 'tappman@example.com',
   password => 'yossarian';