Trying to connect to "smtp.uu.se" ...
Connecting to 130.238.7.60:587...
<= 220 velox.its.uu.se ESMTP Postfix
=> EHLO vattuman.icm.uu.se
<= 250-velox.its.uu.se
<= 250-PIPELINING
<= 250-SIZE 40960000
<= 250-VRFY
<= 250-ETRN
<= 250-STARTTLS
<= 250-ENHANCEDSTATUSCODES
<= 250-8BITMIME
<= 250 DSN
=> STARTTLS
<= 220 2.0.0 Ready to start TLS
=> RSET
<=
K�k'�<I]J�q>��1�[ޢ� �_�M(��a�,h��g��5-�.>���
190327120000Z0d1NA SSL CA 30
                0	USE10Uppland10UUppsala10U
## HERE I CUT OUT SEVERAL LINES OF SIMILAR GARBAGE OF BINARY AND TEXT
## INTERMINGLED
=> QUIT
post: problem initializing server; [BHST] TLS negotiation failed: error:14077102:SSL routines:SSL23_GET_SERVER_HELLO:unsupported protocol
send: message not delivered to anyone