Added Backend

backend/src/utils/mailer.ts

@@ -0,0 +1,37 @@
+import nodemailer from "nodemailer"
+import {secrets} from "./secrets"
+
+export let transporter = null
+export const initMailer = async () => {
+    transporter = nodemailer.createTransport({
+        host: secrets.MAILER_SMTP_HOST,
+        port: Number(secrets.MAILER_SMTP_PORT) || 587,
+        secure: secrets.MAILER_SMTP_SSL === "true", // true für 465, false für andere Ports
+        auth: {
+            user: secrets.MAILER_SMTP_USER,
+            pass: secrets.MAILER_SMTP_PASS,
+        },
+    })
+    console.log("Mailer Initialized!")
+}
+
+export async function sendMail(
+    to: string,
+    subject: string,
+    html: string
+): Promise<{ success: boolean; info?: any; error?: any }> {
+    try {
+        const info = await transporter.sendMail({
+            from: secrets.MAILER_FROM,
+            to,
+            subject,
+            html,
+        })
+
+        // Nodemailer liefert eine Info-Response zurück
+        return { success: true, info }
+    } catch (err) {
+        console.error("❌ Fehler beim Mailversand:", err)
+        return { success: false, error: err }
+    }
+}