# File lib/mail/fields/content_type_field.rb, line 43
    def attempt_to_clean
      # Sanitize the value, handle special cases
      @element ||= Mail::ContentTypeElement.new(sanatize(value))
    rescue
      # All else fails, just get the MIME media type
      @element ||= Mail::ContentTypeElement.new(get_mime_type(value))
    end