Send email using remote server with Ruby. `gem install mail`

MailFile.rb

require 'mail'

module MailFile
  def email_it
    options = { address: "email.server.example.com" }
    Mail.defaults { delivery_method :smtp, options }
    Mail.deliver do
      from     'whoami@example.com'
      to       ['user1@example.com', 'user2@example.com']
      subject  'Here is an awesome email for you'
      body     'Heya! Here is that doc I promised you.'
      add_file './amazing_report.csv'
    end
  end
end