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Quick Reference — Your Routes
| Alias Address | Destination | Status |
|---|---|---|
No routes configured
Add your first email route to get started
| ||
Email Routes
| From (Alias) | Destination | Domain | Description | Created | Status | Actions |
|---|
Email Delivery Log
| Time | From | To (Alias) | Routed To | Subject | Size | Status |
|---|
Live SMTP Console
Connecting to SMTP log stream...
SMTP Server
Port 25 for standard inbound mail. Requires root or CAP_NET_BIND_SERVICE.
Outbound Relay (SMTP Forward)
💡 Configure a relay host (e.g. SendGrid, Mailgun, SES) to forward emails. Leave empty to use local sendmail.
DNS Setup Guide
For your Mail Router to receive emails, your domain's MX record must point to your VPS IP address. Configure these DNS records at your domain registrar or DNS provider.
Your VPS IP Address
1. MX Record Required
Tells mail servers to deliver email for your domain to your VPS.
# Replace yourdomain.com and 1.2.3.4 with your values
yourdomain.com MX 10 mail.yourdomain.com
yourdomain.com MX 10 mail.yourdomain.com
2. A Record for mail subdomain Required
mail.yourdomain.com A YOUR_VPS_IP
3. SPF Record Recommended
Prevents spoofing of your domain.
yourdomain.com TXT "v=spf1 ip4:YOUR_VPS_IP ~all"
4. PTR / Reverse DNS Recommended
Set up a reverse DNS (PTR) record pointing
YOUR_VPS_IP → mail.yourdomain.com.
Do this in your VPS provider's control panel (DigitalOcean, Hetzner, etc).
⚠ Port 25 Note
Many VPS providers block outbound port 25 by default to prevent spam.
You may need to: (1) request unblocking from your provider, or (2) use a relay service (SendGrid, Mailgun, AWS SES)
configured in Settings. Port 25 inbound is usually open.
Nginx Reverse Proxy
Put this in your Nginx config to expose the dashboard over HTTPS:
# /etc/nginx/sites-available/mail-router
server {
listen 80;
server_name mail.yourdomain.com;
location / {
proxy_pass http://127.0.0.1:3000;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
}
server {
listen 80;
server_name mail.yourdomain.com;
location / {
proxy_pass http://127.0.0.1:3000;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
}
}
Then run:
certbot --nginx -d mail.yourdomain.com to enable HTTPS.