tls 1, 1.2, 3

[Larry Kirkpatrick]

Hi. I am trying to use offlineimap with mutt on freebsd 10.1 and to 
connect to a mail provider (runbox.com) who only uses tls 1 or 1.2. I 
have been unsuccessful in configuring offlineimap to work. I think I 
have read everything I could lay my hands on about offlineimap. How can 
I prepare my .offlineimparc file to only use tls 1 or 1.2?

(If this is in the wrong place, let me know, I did not locate any other 
place for such questions.) I am glad to see this project actively 
advancing! LK