+exim -odf user_fail@test.ex
+****
+killdaemon
+#
+# Two-element list - will fail for pre- 1.1.1 OpenSSL
+# - the Hello Retry Req goes out with the earliest one from the list which matches the client's Supported Groups
+exim -DSERVER=server -DDATA=P-521:secp384r1 -bd -oX PORT_D
+****
+exim -odf user_list2@test.ex