# File lib/action_mailer/vendor/tmail-1.2.3/tmail/interface.rb, line 403
    def friendly_from( default = nil )
      h = @header['from']
      a, = h.addrs
      return default unless a
      return a.phrase if a.phrase
      return h.comments.join(' ') unless h.comments.empty?
      a.spec
    end