diff --git a/Cargo.lock b/Cargo.lock
index 92f3eff..a639e60 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -332,6 +332,23 @@ dependencies = [
  "phf_codegen",
 ]
 
+[[package]]
+name = "chrono_track"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "chrono-tz",
+ "clap",
+ "csv",
+ "lettre",
+ "log",
+ "reqwest",
+ "serde",
+ "serde_json",
+ "simplelog",
+ "toml",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.2"
@@ -1555,23 +1572,6 @@ dependencies = [
  "time-core",
 ]
 
-[[package]]
-name = "time_tracker"
-version = "0.1.0"
-dependencies = [
- "chrono",
- "chrono-tz",
- "clap",
- "csv",
- "lettre",
- "log",
- "reqwest",
- "serde",
- "serde_json",
- "simplelog",
- "toml",
-]
-
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
diff --git a/chrono_track/Cargo.toml b/chrono_track/Cargo.toml
index cac90bc..3b44e57 100644
--- a/chrono_track/Cargo.toml
+++ b/chrono_track/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "time_tracker"
+name = "chrono_track"
 version = "0.1.0"
 edition = "2021"
 
diff --git a/flake.nix b/flake.nix
index 04c2c84..867bb8d 100644
--- a/flake.nix
+++ b/flake.nix
@@ -62,25 +62,26 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
           pname = "status_cloud";
           version = "0.1.0";
           buildAndTestSubdir = "status_cloud";
-          cargoHash = "sha256-XIonh2SQ8EichcZvHErSydt0qtKGodXE0yKz4BsntA8=";
-          preBuild = ''
-            sed -i 's/Command::new("hddtemp")/Command::new("${nixpkgs.lib.escape [ "/" ] "${pkgs.hddtemp}"}")/g' status_cloud/src/main.rs
+          cargoHash = "sha256-mXcD/92WJLgN2efX/8EiV3rOqUiNOKGC4puS8DvGFOc=";
+          postFixup = ''
+            wrapProgram $out/bin/status_cloud \
+              --prefix PATH : "${nixpkgs.lib.makeBinPath [ pkgs.hddtemp ]}"
           '';
           meta = meta // {
             description = "Server status saved to a nextcloud note service.";
           };
         });
-        time_tracker = pkgs.rustPlatform.buildRustPackage (rustSettings // {
-          pname = "time_tracker";
+        chrono_track = pkgs.rustPlatform.buildRustPackage (rustSettings // {
+          pname = "chrono_track";
           version = "0.1.0";
-          buildAndTestSubdir = "time_tracker";
-          cargoHash = "sha256-5Wy2+ef2BriKmvNhllDVh/clAZGV7myDc281ygj05vI=";
+          buildAndTestSubdir = "chrono_track";
+          cargoHash = "sha256-51j5eG2ZBJg2TjbvYSEvvmOM4hhPyNohN+LUmvck88k=";
           meta = meta // {
             description = "Using nextcloud notes to track time usage.";
           };
 
           postFixup = ''
-            wrapProgram $out/bin/time_tracker \
+            wrapProgram $out/bin/chrono_track \
               --prefix PATH : "${nixpkgs.lib.makeBinPath [ pkgs.msmtp ]}"
           '';
         });
@@ -138,14 +139,14 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
 
 
         # Time Tracker 
-        options.services.time_tracker = {
-          enable = lib.mkEnableOption (lib.mdDoc "time tracker service");
+        options.services.chrono_track = {
+          enable = lib.mkEnableOption (lib.mdDoc "chrono track, time tracking service");
           package = lib.mkOption {
             type = lib.types.package;
-            default = self.packages.${system}.time_tracker;
-            defaultText = "pkgs.time_tracker";
+            default = self.packages.${system}.chrono_track;
+            defaultText = "pkgs.chrono_track";
             description = lib.mdDoc ''
-              The time_tracker package that should be used
+              The chrono_track package that should be used
             '';
           };
           config_path = lib.mkOption {
@@ -154,6 +155,12 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
               The file path to the toml that contains user information secrets
             '';
           };
+          from_address = lib.mkOption {
+            type = lib.types.str;
+            description = lib.mdDoc ''
+              The from address for the emails. E.g. noreply@example.com
+            '';
+          };
           frequency = lib.mkOption {
             type = lib.types.int;
             description = lib.mdDoc ''
@@ -162,25 +169,25 @@ rust-project TODO: write shell script for automatically updating `cargoHash`
           };
         };
 
-        config.systemd.services.time_tracker = let 
-          cfg = config.services.time_tracker;
-          pkg = self.packages.${system}.time_tracker;
+        config.systemd.services.chrono_track = let 
+          cfg = config.services.chrono_track;
+          pkg = self.packages.${system}.chrono_track;
         in lib.mkIf cfg.enable {
-          description = "Nextcloud Time Tracker";
+          description = "Chrono Track";
           serviceConfig = {
             Type = "oneshot";
             ExecStart  = ''
-              ${cfg.package}/bin/time_tracker --config-file ${builtins.toString cfg.config_path}
+              ${cfg.package}/bin/chrono_track --config-file ${builtins.toString cfg.config_path} --from_addr ${cfg.from_address}
             '';
           };
         };
 
-        config.systemd.timers.time_tracker = let
-          cfg = config.services.time_tracker;
-          pkg = self.packages.${system}.time_tracker;
+        config.systemd.timers.chrono_track = let
+          cfg = config.services.chrono_track;
+          pkg = self.packages.${system}.chrono_track;
         in lib.mkIf cfg.enable {
           wantedBy = [ "timers.target" ];
-          partOf = [ "time_tracker.service" ];
+          partOf = [ "chrono_track.service" ];
           timerConfig.OnCalendar = [ "*:0/${builtins.toString cfg.frequency}" ];
         };