##
  # Mail [Notifier]
  #
  # The default delivery method for Mail Notifiers is 'SMTP'.
  # See the Wiki for other delivery options.
  # https://github.com/meskyanichi/backup/wiki/Notifiers
  #
  notify_by Mail do |mail|
    mail.on_success           = true
    mail.on_warning           = true
    mail.on_failure           = true

    mail.from                 = 'sender@email.com'
    mail.to                   = 'receiver@email.com'
    mail.address              = 'smtp.gmail.com'
    mail.port                 = 587
    mail.domain               = 'your.host.name'
    mail.user_name            = 'sender@email.com'
    mail.password             = 'my_password'
    mail.authentication       = 'plain'
    mail.enable_starttls_auto = true
  end