starttls c2s$ openssl s_client -connect jabbercity.ru:5222 </dev/null -starttls xmpp | openssl x509 -noout -dates
tls c2s$ openssl s_client -connect jabberworld.info:5223 </dev/null 2>&1
starttls s2s$ openssl s_client -connect jabbercity.ru:5269 </dev/null -starttls xmpp-server
tls s2s$ openssl s_client -connect jabber.name:5270 </dev/null 2>&1