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A reliable, authenticated outgoing SMTP service for transactional email, business applications, servers, and devices. Fix inbox delivery, bypass port 25 blocks, and send from any email address — starting free.
Point your SMTP server to relay.dnsexit.com, authenticate, and start sending. Works with any mail client, server, or device.
Just set your outgoing SMTP to relay.dnsexit.com with your relay credentials. Works with Outlook, Thunderbird, Exchange, Postfix, Sendmail, and any SMTP-capable device.
Login and data transfers are encrypted with STARTTLS. Your account credentials and email content stay protected from interception at all times.
No credit card required. Start sending immediately on the free plan. Upgrade to a paid tier only when your sending volume grows beyond the free limit.
Improve inbox delivery rates by configuring SPF records and DKIM signing. Our GUI walks you through verification to ensure everything is set up correctly.
Create unlimited relay sub-users under your account, each with their own login and sending limit. Ideal for MSPs, agencies, or resellers managing clients.
Every email sent through the relay is logged. Search by sender, recipient, date, sending IP, or domain. Click Show Delivery Status to confirm delivery instantly.
Any device or application that sends email can use our SMTP relay as its outgoing mail server.
Built for reliability, flexibility, and scale.
Based on daily email volume. Plans billed annually. Relay counters reset nightly at midnight US Eastern.
| Daily Email Volume | Price / Month |
|---|---|
| 25 relays/day | Free |
| 150 relays/day | $1.50 / month |
| 300 relays/day | $2.49 / month |
| 450 relays/day | $3.69 / month |
| 600 relays/day | $4.79 / month |
| 900 relays/day | $7.95 / month |
| 1200 relays/day | $10.95 / month |
| 1500 relays/day | $14.99 / month |
| 2000 relays/day | $19.99 / month |
| 3000 relays/day | $28.99 / month |
| 4000 relays/day | $38.99 / month |
| 5000 relays/day | $48.99 / month |
| 6000 relays/day | $58.99 / month |
| 8000 relays/day | $77.99 / month |
| 10000 relays/day | $94.00 / month |
| 12000 relays/day | $110.00 / month |
How relays are counted: One relay = one recipient. A single message to 50 recipients counts as 50 relays. 50 separate messages to one recipient each also counts as 50 relays.
Need higher volume? Contact us for a custom quote.
Extra $1.25/month per IP for IP-based relay (no authentication required).
30-day money-back guarantee on all paid plans.
Step-by-step instructions for the most common mail clients and servers. Not listed? Consult your program's documentation for SMTP authentication setup.
Mail Relay is not for bulk marketing email. It is intended for transactional, business, and application mail only. Read our Anti-Spam Policy →
The diagram below shows how outgoing SMTP is routed through DNSExit's relay infrastructure.
