File: exim.rb

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# frozen_string_literal: true
module Mail

  # A delivery method implementation which sends via exim.
  #
  # To use this, first find out where the exim binary is on your computer,
  # if you are on a mac or unix box, it is usually in /usr/sbin/exim, this will
  # be your exim location.
  #
  #   Mail.defaults do
  #     delivery_method :exim
  #   end
  #
  # Or if your exim binary is not at '/usr/sbin/exim'
  #
  #   Mail.defaults do
  #     delivery_method :exim, :location => '/absolute/path/to/your/exim'
  #   end
  #
  # Then just deliver the email as normal:
  #
  #   Mail.deliver do
  #     to 'mikel@test.lindsaar.net'
  #     from 'ada@test.lindsaar.net'
  #     subject 'testing exim'
  #     body 'testing exim'
  #   end
  #
  # Or by calling deliver on a Mail message
  #
  #   mail = Mail.new do
  #     to 'mikel@test.lindsaar.net'
  #     from 'ada@test.lindsaar.net'
  #     subject 'testing exim'
  #     body 'testing exim'
  #   end
  #
  #   mail.deliver!
  class Exim < Sendmail
    def initialize(values)
      self.settings = { :location       => '/usr/sbin/exim',
                        :arguments      => '-i -t' }.merge(values)
    end

    def self.call(path, arguments, destinations, mail)
      popen "#{path} #{arguments}" do |io|
        io.puts ::Mail::Utilities.to_lf(mail.encoded)
        io.flush
      end
    end

  end
end