def relaxed?
      self.syntax = :invalid
      self.valid_size? or return false
      self.valid_encoding? or return false
      if self.local =~ RELAXED_MAILBOX_REGEX
        self.syntax = :relaxed
        true
      else
        false
      end
    end
def relaxed?
      self.syntax = :invalid
      self.valid_size? or return false
      self.valid_encoding? or return false
      if self.local =~ RELAXED_MAILBOX_REGEX
        self.syntax = :relaxed
        true
      else
        false
      end
    end
Relaxed conventional is not so strict about character order.