Here is what happens for me:
~/a/sj$ env| grep SJ
SJ_DIR=/home/greagle/sj
SJ_SERVER=jabber.org
SJ_USER=taiga
~/a/sj$ tcpclient jabber.org 5222 sj
tlsc: tls_error: ssl verify setup failure
Received on Mon Nov 23 2015 - 16:52:24 CET
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: Mon Nov 23 2015 - 17:00:10 CET