class method self.set_payload_for_mail

# File actionmailer/lib/action_mailer/base.rb, line 603
      def set_payload_for_mail(payload, mail)
        payload[:mail]               = mail.encoded
        payload[:mailer]             = name
        payload[:message_id]         = mail.message_id
        payload[:subject]            = mail.subject
        payload[:to]                 = mail.to
        payload[:from]               = mail.from
        payload[:bcc]                = mail.bcc if mail.bcc.present?
        payload[:cc]                 = mail.cc  if mail.cc.present?
        payload[:date]               = mail.date
        payload[:perform_deliveries] = mail.perform_deliveries
      end