On Tue 21 Jan 2014 at 17:02:48 +0100, basti wrote: > Hello, > I have installed Exim4 on my Debian Wheezy. All is running fine. > Now I try to use "fixed_cram" authenticator for more security. There are experts on Exim4 at http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/pkg-exim4-users I would try there. They might be glad to woken from their post-New-Year slumbers. :)