diff --git a/krebs/5pkgs/exim.nix b/krebs/5pkgs/exim.nix
new file mode 100644
index 000000000..4bb69267c
--- /dev/null
+++ b/krebs/5pkgs/exim.nix
@@ -0,0 +1,19 @@
+diff --git a/pkgs/servers/mail/exim/default.nix b/pkgs/servers/mail/exim/default.nix
+index 0918e30..5b7a587 100644
+--- a/pkgs/servers/mail/exim/default.nix
++++ b/pkgs/servers/mail/exim/default.nix
+@@ -1,11 +1,11 @@
+ { coreutils, fetchurl, db, openssl, pcre, perl, pkgconfig, stdenv }:
+ 
+ stdenv.mkDerivation rec {
+-  name = "exim-4.87";
++  name = "exim-4.88";
+ 
+   src = fetchurl {
+-    url = "http://mirror.switch.ch/ftp/mirror/exim/exim/exim4/${name}.tar.bz2";
+-    sha256 = "1jbxn13shq90kpn0s73qpjnx5xm8jrpwhcwwgqw5s6sdzw6iwsbl";
++    url = "ftp://ftp.exim.org/pub/exim/exim4/${name}.tar.bz2";
++    sha256 = "0bca3wb45hl7h8m8bpvsmrmqa07jhbhqyigs9pl29hhzwgbmz78i";
+   };
+ 
+   buildInputs = [ coreutils db openssl pcre perl pkgconfig ];
diff --git a/tv/1systems/xu.nix b/tv/1systems/xu.nix
index b6fe6dc5c..974d820d5 100644
--- a/tv/1systems/xu.nix
+++ b/tv/1systems/xu.nix
@@ -17,7 +17,6 @@ with import <stockholm/lib>;
     ../2configs/retiolum.nix
     ../2configs/binary-cache
     ../2configs/xserver
-    ../2configs/xu-qemu0.nix
     {
       environment.systemPackages = with pkgs; [