Adjusted mail title

src/Mailer.ts

@@ -101,7 +101,7 @@ export class Mailer {
         fs.writeFileSync("./test.tmp", body_txt);
         const mail: MailOptions = {
             to: to_address,
-            subject: i18next.t("subject_reset", Mailer.interpolations).toString(),
+            subject: i18next.t("test-mail", Mailer.interpolations).toString(),
             text: body_txt,
             html: body_html
         };