splitting mail stack

configuration.nix

@@ -4,6 +4,7 @@
   imports =
     [
       ./hardware-configuration.nix
+      ./mail.nix
       #./ipv6.nix
     ];
 
@@ -31,12 +32,9 @@
       optipng gimp
       oh-my-zsh stow
       lemonbar git st
-      msmtp neomutt
-      ripmime w3m #email
       nethogs
       (import ./vim.nix) 
       (texlive.combine { inherit (texlive) scheme-small latexmk bibtex; }) #for vimtex
-      (mu.override { withMug = false; }) # no webkit dependency
       ghostscript
       pavucontrol
       dell-530cdn
@@ -128,10 +126,6 @@
       enable = true; 
       stateDir = "/tmp/peerflix"; 
     };
-    offlineimap = {
-      enable = true;
-      onCalendar = "*:0/5";
-    };
     cron.enable = false;
     nixosManual.enable = false;
     printing = {
@@ -194,20 +188,6 @@
     };
   };
 
-  systemd.user.services = {
-    mu = {
-      description = "Updating mail database";
-      script = "/run/current-system/sw/bin/mu index --quiet -m ~/mail";
-      startAt = "daily";
-      wantedBy = [ "timers.target" ];
-    };
-
-    offlineimap-fast = {
-      description = "Quick mail synchronization";
-      script = "/run/current-system/sw/bin/offlineimap -u quiet -q";
-    };
-  };
-
 
   systemd.mounts = [
     { what = "/dev/sdb1";

mail.nix

@@ -0,0 +1,39 @@
+# Mail stack:
+#   Read and write emails                     neomutt
+#   Receive emails & synchronize maildir      offlineimap
+#   Submit emails to send                     msmtp
+#   dealing with MIME encoded email packages  ripmime
+#   Display HTML emails                       w3m
+#   Search maildirs                           mu
+# and various automation provided by systemd
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    msmtp
+    neomutt
+    ripmime
+    w3m
+    (mu.override { withMug = false; }) # no webkit dependency
+  ];
+
+  services.offlineimap = {
+    enable = true;
+    onCalendar = "*:0/5";
+  };
+
+  systemd.user.services = {
+    mu = {
+      description = "Updating mail database";
+      script = "/run/current-system/sw/bin/mu index --quiet -m ~/mail";
+      startAt = "daily";
+      wantedBy = [ "timers.target" ];
+    };
+
+    offlineimap-fast = {
+      description = "Quick mail synchronization";
+      script = "/run/current-system/sw/bin/offlineimap -u quiet -q";
+    };
+  };
+
+}