Anton Shestakov <av6@dwimlabs.net>, Fri, 23 Aug 2019 22:27:47 +0700
use TLS 1.2 because it's modern, and that's what clients should use
--- a/xmpp-headline.py Mon Feb 04 04:02:28 2019 +0000
+++ b/xmpp-headline.py Fri Aug 23 22:27:47 2019 +0700
self.add_event_handler('session_start', self.start)
+ self.ssl_version = ssl.PROTOCOL_TLSv1_2
print('sending message...')