diff --git a/package.json b/package.json
index 0522937..c3fb804 100644
--- a/package.json
+++ b/package.json
@@ -19,8 +19,8 @@
   "dependencies": {
     "express": "^4.18.2",
     "googleapis": "^144.0.0",
-    "pg": "^8.11.3",
-    "resend": "^4.0.0"
+    "nodemailer": "^6.9.0",
+    "pg": "^8.11.3"
   },
   "engines": {
     "node": ">=18.0.0"
diff --git a/server.js b/server.js
index 07299c4..0578d6c 100644
--- a/server.js
+++ b/server.js
@@ -2,7 +2,7 @@ const express = require('express');
 const fs = require('fs').promises;
 const path = require('path');
 const { google } = require('googleapis');
-const { Resend } = require('resend');
+const nodemailer = require('nodemailer');
 const { Pool } = require('pg');
 
 const app = express();
@@ -10,8 +10,16 @@ const PORT = process.env.PORT || 3000;
 const DATA_DIR = process.env.DATA_DIR || './data';
 const REGISTRATIONS_FILE = path.join(DATA_DIR, 'registrations.json');
 
-// Initialize Resend for emails
-const resend = process.env.RESEND_API_KEY ? new Resend(process.env.RESEND_API_KEY) : null;
+// Initialize SMTP transport (Mailcow)
+const smtp = process.env.SMTP_PASS ? nodemailer.createTransport({
+  host: process.env.SMTP_HOST || 'mx.jeffemmett.com',
+  port: parseInt(process.env.SMTP_PORT || '587'),
+  secure: false,
+  auth: {
+    user: process.env.SMTP_USER || 'noreply@jeffemmett.com',
+    pass: process.env.SMTP_PASS,
+  },
+}) : null;
 
 // Listmonk PostgreSQL configuration for newsletter management
 const LISTMONK_LIST_ID = parseInt(process.env.LISTMONK_LIST_ID) || 20; // WORLDPLAY list
@@ -109,8 +117,8 @@ async function appendToGoogleSheet(registration) {
 
 // Send confirmation email
 async function sendConfirmationEmail(registration) {
-    if (!resend) {
-        console.log('Resend not configured, skipping email...');
+    if (!smtp) {
+        console.log('SMTP not configured, skipping email...');
         return;
     }
 
@@ -156,8 +164,8 @@ async function sendConfirmationEmail(registration) {
             ? registration.contribute.map(c => contributeLabels[c] || c).join(', ')
             : 'Not specified';
 
-        await resend.emails.send({
-            from: 'WORLDPLAY <hello@worldplay.art>',
+        await smtp.sendMail({
+            from: process.env.EMAIL_FROM || 'WORLDPLAY <noreply@jeffemmett.com>',
             to: registration.email,
             subject: '🎭 Welcome to WORLDPLAY – Registration Confirmed',
             html: `
@@ -513,7 +521,7 @@ ensureDataDir().then(() => {
         console.log(`WORLDPLAY server running on port ${PORT}`);
         console.log(`Admin token: ${process.env.ADMIN_TOKEN || 'worldplay-admin-2026'}`);
         console.log(`Google Sheets: ${sheets ? 'enabled' : 'disabled'}`);
-        console.log(`Email notifications: ${resend ? 'enabled' : 'disabled'}`);
+        console.log(`Email notifications: ${smtp ? 'enabled (Mailcow SMTP)' : 'disabled (no SMTP_PASS)'}`);
         console.log(`Listmonk newsletter sync: ${listmonkPool ? 'enabled' : 'disabled'} (list ID: ${LISTMONK_LIST_ID})`);
     });
 });