https://bugs.python.org/review/26209/diff/18092/Doc/library/smtpd.rst File Doc/library/smtpd.rst (right): https://bugs.python.org/review/26209/diff/18092/Doc/library/smtpd.rst#newcod... Doc/library/smtpd.rst:36: the parameters *localaddr* and *remoteaddr* should be a tuple in form ``("host",portnumber)``, The lines are still wider than 80 columns. Also, please add a space before word portnumber. https://bugs.python.org/review/26209/