diff --git a/common.nix b/common.nix
index 28bd8f4..ef215d2 100644
--- a/common.nix
+++ b/common.nix
@@ -286,7 +286,7 @@ in
     hunspellDicts.en_US
     inetutils
     pkgs.kdePackages.kate
-    kcachegrind
+    pkgs.kdePackages.kcachegrind
     pkgs.kdePackages.kcalc
     keychain
     pkgs.kdePackages.kmail
@@ -424,24 +424,24 @@ in
   programs.dconf.enable = true;
 
   # ensure cron and Co. can send mails
-#   programs.msmtp = {
-#     enable = true;
-#     setSendmail = true;
-#     accounts = {
-#       default = {
-#         auth = true;
-#         tls = true;
-#         from = "christoph@cullmann.io";
-#         host = "moon.babylon2k.com";
-#         port = "587";
-#         user = builtins.readFile "/data/nixos/mailuser.secret";
-#         passwordeval = "cat /data/nixos/mailpassword.secret";
-#       };
-#     };
-#     defaults = {
-#       aliases = "/etc/aliases";
-#     };
-#   };
+  programs.msmtp = {
+    enable = true;
+    setSendmail = true;
+    accounts = {
+      default = {
+        auth = true;
+        tls = true;
+        from = "christoph@cullmann.io";
+        host = "moon.babylon2k.com";
+        port = "587";
+        user = builtins.readFile "/data/nixos/mailuser.secret";
+        passwordeval = "cat /data/nixos/mailpassword.secret";
+      };
+    };
+    defaults = {
+      aliases = "/etc/aliases";
+    };
+  };
 
   environment.etc = {
     "aliases" = {