##
  # 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