info: flatten followers emails:
[ { id: 592089,
    email: 'angus.hung@berkeley.edu',
    name: 'Angus Hung' },
  { id: 592090,
    email: 'tylerrollins@gmail.com',
    name: 'Amie Lynn' },
  { id: 592091, email: 'mandarson@gmail.com', name: 'Mikhail' },
  { id: 592092,
    email: 'ecw.technology@gmail.com',
    name: 'Evin Weissenberg' },
  { id: 592093,
    email: 'sergey@sourcerer.io',
    name: 'Sergey Surkov' },
  { id: 592094,
    email: 'anatoly@sourcerer.io',
    name: 'Anatoly Stansler' } ]
info: emails data to upsert:
[ { id: 592089,
    email: 'angus.hung@berkeley.edu',
    name: 'Angus Hung' },
  { id: 592090,
    email: 'tylerrollins@gmail.com',
    name: 'Amie Lynn' },
  { id: 592091, email: 'mandarson@gmail.com', name: 'Mikhail' },
  { id: 592092,
    email: 'ecw.technology@gmail.com',
    name: 'Evin Weissenberg' },
  { id: 592093,
    email: 'sergey@sourcerer.io',
    name: 'Sergey Surkov' },
  { id: 592094,
    email: 'anatoly@sourcerer.io',
    name: 'Anatoly Stansler' } ]
info: emails that are related to registered users:
info: anatoly@sourcerer.io, sergey@sourcerer.io
info: about to invite:
[ { id: 592089,
    email: 'angus.hung@berkeley.edu',
    name: 'Angus Hung' },
  { id: 592090,
    email: 'tylerrollins@gmail.com',
    name: 'Amie Lynn' },
  { id: 592091, email: 'mandarson@gmail.com', name: 'Mikhail' },
  { id: 592092,
    email: 'ecw.technology@gmail.com',
    name: 'Evin Weissenberg' } ]
info: unique mailing:
{ '9252':
   { fromUser:
      { id: 9252,
        username: 'yandzee',
        password: 'dc7204b8228b71070e1feab400df1bf51d35ae20f954d078e45455c326b7ed3b',
        passwordSalt: '4cc3f71390267af4',
        createdAt: 2018-10-24T18:48:37.655Z,
        updatedAt: 2018-10-24T18:48:37.655Z,
        created_at: 2018-10-24T18:48:37.655Z,
        updated_at: 2018-10-24T18:48:37.655Z,
        UserPersonal:
         { id: 9066,
           realname: 'Tuktarov Renat',
           about: null,
           shortAbout: null,
           location: 'Russia, Province of Moscow',
           link: null,
           avatar: 'https://avatars3.githubusercontent.com/u/5919088?v=4',
           notifyFollowers: true,
           created_at: 2018-10-24T18:48:37.665Z,
           updated_at: 2018-10-24T18:48:37.665Z,
           user_id: 9252 } },
     emails:
      [ { email: 'angus.hung@berkeley.edu', name: 'Angus Hung' },
        { email: 'tylerrollins@gmail.com', name: 'Amie Lynn' },
        { email: 'mandarson@gmail.com', name: 'Mikhail' },
        { email: 'ecw.technology@gmail.com', name: 'Evin Weissenberg' } ] } }
info: emails to be invited: angus.hung@berkeley.edu, tylerrollins@gmail.com, mandarson@gmail.com, ecw.technology@gmail.com
info: Api: enqueue sending of email: angus.hung@berkeley.edu
info: pushing using gpubsub, into send-email-testing
info: Api: enqueue sending of email: tylerrollins@gmail.com
info: pushing using gpubsub, into send-email-testing
info: Api: enqueue sending of email: mandarson@gmail.com
info: pushing using gpubsub, into send-email-testing
info: Api: enqueue sending of email: ecw.technology@gmail.com
info: pushing using gpubsub, into send-email-testing
info: Message processed.