ioerror/duraconf — pull request #49 by t2d (2014-10-24 07:32:09+00:00)
Title: Enable TLSv1.1 and v1.2 in Postfix

The config before was fixed to TLSv1.0
see http://www.postfix.org/postconf.5.html#smtpd_tls_mandatory_protocols