#NEWLINE# def ext_AUTH( self , rest ) : #NEWLINE# #INDENT# if ISSLTransport . providedBy ( rest . transport ) : #NEWLINE# #INDENT# return smtp . ESMTP . ext_AUTH ( self , rest ) #NEWLINE# #UNINDENT# self . sendCode ( 530 , 'Encrypt the connection by using SSL or STARTTLS before authenticating.' )