diff --git a/modules/thunderbird.nix b/modules/thunderbird.nix
index c23730a..260ef0e 100644
--- a/modules/thunderbird.nix
+++ b/modules/thunderbird.nix
@@ -1,4 +1,8 @@
-{ config, pkgs, ... }:
+{ config, pkgs, lib, ... }:
+let
+  # TODO: trim whitespaces from string
+  email-uni-marburg = (builtins.readFile ../secrets/email-uni-marburg);
+in
 {
   # https://github.com/NotAShelf/nyx/blob/main/homes/notashelf/graphical/apps/thunderbird/default.nix
   # https://github.com/dr460nf1r3/dr460nixed/blob/main/home-manager/email.nix
@@ -6,7 +10,7 @@
 
   home-manager.users.yoda = { osConfig, config, pkgs, ... }: {
     accounts.email.accounts = {
-      personal = {
+      "personal" = {
         address = "daniel@systemli.org";
         gpg = {
           # The key to use as listed in gpg --list-keys.
@@ -29,6 +33,29 @@
         # Enable the Thunderbird mail client for this email account.
         thunderbird.enable = true;
       };
+
+      "uni-marburg" = {
+        address = email-uni-marburg;
+        primary = false;
+        realName = "Daniel Langbein";
+
+        # It sees as if both is possible:
+        #   userName: part of email before "@"
+        #   userName: full email
+        #userName = lib.head (lib.splitString "@" email-uni-marburg);
+        userName = email-uni-marburg;
+        imap = {
+          host = "imap.students.uni-marburg.de";
+          port = 993;
+        };
+        smtp = {
+          host = "smtp.students.uni-marburg.de";
+          port = 465;
+        };
+
+        # Enable the Thunderbird mail client for this email account.
+        thunderbird.enable = true;
+      };
     };
 
     programs.thunderbird = {