diff --git a/scripts/create_testenv.ts b/scripts/create_testenv.ts
index f5bb087..0381281 100644
--- a/scripts/create_testenv.ts
+++ b/scripts/create_testenv.ts
@@ -8,14 +8,21 @@ nodemailer.createTestAccount((err, account) => {
         console.error('Failed to create a testing account. ' + err.message);
         return process.exit(1);
     }
-
+    let apikey = '';
+    const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+    const charactersLength = characters.length;
+    for (var i = 0; i < 64; i++) {
+        apikey += characters.charAt(Math.floor(Math.random() * charactersLength));
+    }
     const env = `
 NODE_ENV=dev
 MAIL_SERVER=${account.smtp.host}
 MAIL_PORT=${account.smtp.port}
 MAIL_USER=${account.user}
 MAIL_PASSWORD=${account.pass}
-MAIL_FROM=${account.user}`
+MAIL_FROM=${account.user}
+API_KEY=${apikey}
+`
 
     try {
         fs.writeFileSync("./.env", env, { encoding: "utf-8" });
diff --git a/src/controllers/MailController.ts b/src/controllers/MailController.ts
index fb39637..2c20f9f 100644
--- a/src/controllers/MailController.ts
+++ b/src/controllers/MailController.ts
@@ -26,4 +26,20 @@ export class MailController {
         }
         return;
     }
+
+    @Post('/test')
+    @OpenAPI({ description: "Sends test mails" })
+    async sendTest(@QueryParam("locale") locale: string) {
+        if (!this.initialized) {
+            await this.mailer.init();
+            this.initialized = true;
+        }
+        try {
+            this.mailer.sendTestMail(locale)
+        } catch (error) {
+            console.log(error)
+            throw error;
+        }
+        return;
+    }
 }
diff --git a/src/locales/en.json b/src/locales/en.json
index 9b17523..ce244da 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -1,10 +1,11 @@
 {
-    "all-rights-reserved": "All rights reserved.",
-    "imprint": "Imprint",
-    "lfk-mail-test": "LfK! - Mail test",
-    "privacy": "Privacy",
-    "subject_reset": "{{copyright_owner}} password reset",
-    "test-mail": "Test mail",
-    "this-is-a-test-mail-triggered-by-an-admin-in-the-lfk-backend": "This is a test mail triggered by an admin in the LfK! backend.",
-    "this-mail-was-sent-to-recipient_mail-because-someone-request-a-mail-test-for-this-mail-address": "This mail was sent to {{recipient_mail}} because someone request a mail test for this mail address."
+  "all-rights-reserved": "All rights reserved.",
+  "imprint": "Imprint",
+  "lfk-mail-test": "LfK! - Mail test",
+  "privacy": "Privacy",
+  "subject_reset": "{copyright_owner} password reset",
+  "test-mail": "Test mail",
+  "this-is-a-test-mail-triggered-by-an-admin-in-the-lfk-backend": "This is a test mail triggered by an admin in the LfK! backend.",
+  "this-mail-was-sent-to-recipient_mail-because-someone-request-a-mail-test-for-this-mail-address": "This mail was sent to {{to_address}} because someone request a mail test for this mail address.",
+  "subject_test": "subject_test"
 }
\ No newline at end of file