# File lib/mail/network/delivery_methods/smtp.rb, line 64
    def initialize(values)
      self.settings = { :address              => "localhost",
                        :port                 => 25,
                        :domain               => 'localhost.localdomain',
                        :user_name            => nil,
                        :password             => nil,
                        :authentication       => nil,
                        :enable_starttls_auto => true  }.merge!(values)
    end