diff --git a/nixos/modules/apps/thunderbird/default.nix b/nixos/modules/apps/thunderbird/default.nix
new file mode 100644
index 0000000..7b4005f
--- /dev/null
+++ b/nixos/modules/apps/thunderbird/default.nix
@@ -0,0 +1,130 @@
+{ inputs, lib, config, pkgs, ... }:
+
+let
+  signatures = {
+    default = ''
+      Met vriendelijke groeten
+      Tibo De Peuter
+    '';
+    UGent = ''
+      Met vriendelijke groeten
+      Tibo De Peuter
+      
+      Student 2Ba Informatica
+    '';
+    MrFortem = ''
+      Kind regards
+      MrFortem Fiducia
+    '';
+  };
+in
+{
+  home-manager.users.tdpeuter = {
+    accounts.email.accounts = {
+      Telenet = {
+        address  = "tibo.depeuter@telenet.be";
+        userName = "tibo.depeuter@telenet.be";
+        imap = {
+          host = "imap.telenet.be";
+          port = 993;
+          tls.enable = true;
+        };
+        smtp = {
+          host = "smtp.telenet.be";
+          port = 587;
+          tls = {
+            enable = true;
+            useStartTls = true;
+          };
+        };
+
+        realName = "Tibo De Peuter";
+        signature = {
+          showSignature = "append";
+          text = signatures.default;
+        };
+
+        primary = true;
+        thunderbird = {
+          enable = true;
+          settings = id: {
+            "mail.identity.id_${id}.htmlSigText" = signatures.default;
+          };
+        };
+      };
+      UGent = {
+        flavor = "outlook.office365.com";
+        address = "tibo.depeuter@ugent.be";
+
+        realName = "Tibo De Peuter";
+        signature = {
+          showSignature = "append";
+          text = signatures.UGent;
+        };
+
+        thunderbird = {
+          enable = true;
+          settings = id: {
+            "mail.server.server_${id}.authMethod" = 10;
+            "mail.smtpserver.smtp_${id}.authMethod" = 10;
+            "mail.identity.id_${id}.htmlSigText" = signatures.UGent;
+          };
+        };
+      };
+      Gmail = {
+        flavor = "gmail.com";
+        address = "tibo.depeuter@gmail.com";
+
+        realName = "Tibo De Peuter";
+        signature = {
+          showSignature = "append";
+          text = signatures.default;
+        };
+        thunderbird = {
+          enable = true;
+          settings = id: {
+            "mail.identity.id_${id}.htmlSigText" = signatures.default;
+          };
+        };
+
+      };
+      MrFortem = {
+        flavor = "gmail.com";
+        address = "fortemfiducia@gmail.com";
+
+        realName = "Fortem Fiducia";
+        signature = {
+          showSignature = "attach";
+          text = ''
+            Kind regards
+            MrFortem Fiducia
+          '';
+        };
+
+        thunderbird = {
+          enable = true;
+          settings = id: {
+            "mail.server.server_${id}.directory" = ".thunderbird/tdpeuter/ImapMail/imap.gmail.com-mrfortem";
+            "mail.server.server_${id}.directory-rel" = "[ProfD]ImapMail/imap.gmail.com-mrfortem";
+            "mail.identity.id_${id}.htmlSigText" = signatures.MrFortem;
+          };
+        };
+      };
+    };
+
+    programs = {
+      thunderbird = {
+        enable = true;
+        profiles.tdpeuter = {
+          isDefault = true;
+          settings = {
+            "mailnews.default_sort_order" = 2; # Sort descending
+            "mailnews.mark_message_read.delay" = true;
+            "mailnews.start_page.enabled" = false;
+            "mail.pane_config.dynamic" = 2; # Vertical view
+          };
+        };
+      };
+    };
+  };
+}