diff --git a/home-manager/programs/advanced.nix b/home-manager/programs/advanced.nix
index 4f0afbb..562b382 100644
--- a/home-manager/programs/advanced.nix
+++ b/home-manager/programs/advanced.nix
@@ -10,6 +10,8 @@ let
   gh-dash = import ./gh-dash;
   git = import ./git { inherit pkgs; };
   lnav = import ./lnav { inherit pkgs; };
+  mu = import ./mu;
+  msmtp = import ./msmtp { inherit pkgs; };
   nix-index = import ./nix-index;
   nyxt = import ./nyxt { inherit pkgs; };
   offlineimap = import ./offlineimap;
@@ -30,6 +32,8 @@ in
   gh-dash
   git
   lnav
+  mu
+  msmtp
   nix-index
   nyxt
   offlineimap
diff --git a/home-manager/programs/basic.nix b/home-manager/programs/basic.nix
index 5b0f989..48dc2cc 100644
--- a/home-manager/programs/basic.nix
+++ b/home-manager/programs/basic.nix
@@ -10,7 +10,6 @@ let
   gnupg = import ./gnupg;
   man = import ./man;
   misc = import ./misc;
-  mu = import ./mu;
   neovim = import ./neovim { inherit pkgs sources; };
   password-store = import ./password-store { inherit pkgs; };
   peco = import ./peco { inherit pkgs; };
@@ -33,7 +32,6 @@ in
   gnupg
   man
   misc
-  mu
   password-store
   neovim
   peco
diff --git a/home-manager/programs/msmtp/default.nix b/home-manager/programs/msmtp/default.nix
new file mode 100644
index 0000000..409da30
--- /dev/null
+++ b/home-manager/programs/msmtp/default.nix
@@ -0,0 +1,29 @@
+{ pkgs }: {
+  programs.msmtp = {
+    enable = true;
+    extraConfig = ''
+      defaults
+      auth on
+      tls on
+    '';
+  };
+
+  accounts.email.accounts = {
+    SmtpGmail = {
+      primary = true;
+      msmtp.enable = true;
+      realName = "takeo obara";
+      userName = "takeo obara";
+      address = "bararararatty@gmail.com";
+      passwordCommand = [
+        "pass"
+        "show"
+        "private/develop/google/smtp"
+      ];
+      smtp = {
+        host = "smtp.gmail.com";
+        tls.enable = true;
+      };
+    };
+  };
+}
diff --git a/home-manager/programs/mu/default.nix b/home-manager/programs/mu/default.nix
index b09638e..227d49f 100644
--- a/home-manager/programs/mu/default.nix
+++ b/home-manager/programs/mu/default.nix
@@ -1 +1,3 @@
-{ programs.mu.enable = true; }
+{
+  programs.mu.enable = true;
+}
diff --git a/home-manager/programs/offlineimap/default.nix b/home-manager/programs/offlineimap/default.nix
index 38ac99d..8d8038e 100644
--- a/home-manager/programs/offlineimap/default.nix
+++ b/home-manager/programs/offlineimap/default.nix
@@ -9,7 +9,6 @@
 
   accounts.email.accounts = {
     Gmail = {
-      primary = true;
       offlineimap = {
         enable = true;
         extraConfig.remote = {