Tests: relaxed SSL version used in testing. This ensures that tests can be properly run with old OpenSSL versions when using recent versions of IO::Socket::SSL (which defaults to TLS 1.2+ starting with IO::Socket:SSL version 2.082, and therefore not compatible with OpenSSL before 1.0.1).

--- a/lib/Test/Nginx/POP3.pm
+++ b/lib/Test/Nginx/POP3.pm
@@ -38,6 +38,7 @@ sub new {
 			require IO::Socket::SSL;
 			IO::Socket::SSL->start_SSL(
 				$self->{_socket},
+				SSL_version => 'SSLv23',
 				SSL_verify_mode =>
 					IO::Socket::SSL::SSL_VERIFY_NONE(),
 				@_