Mailgun vs Postmark(2026)
Mailgun is better for teams that need powerful inbound routing. Postmark is the stronger choice if best deliverability. Mailgun is freemium (from $15/month) and Postmark is paid (from $15/month).
Full feature breakdown, pricing details, and pros & cons below.
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Mailgun
Mailgun is a developer-focused email API service for sending transactional and marketing emails with robust tracking.
Starting at $15/month
Visit MailgunPostmark
Postmark specializes in fast, reliable transactional email delivery with industry-leading delivery speeds.
Starting at $15/month
Visit PostmarkHow Do Mailgun and Postmark Compare on Features?
| Feature | Mailgun | Postmark |
|---|---|---|
| Pricing model | freemium | paid |
| Starting price | $15/month | $15/month |
| Transactional API | ✓ | — |
| Email validation | ✓ | — |
| Email routing | ✓ | — |
| Inbound parsing | ✓ | — |
| Analytics | ✓ | — |
| Suppressions | ✓ | — |
| Transactional email | — | ✓ |
| 45-day email history | — | ✓ |
| DKIM/SPF auto-setup | — | ✓ |
| Message streams | — | ✓ |
| Templates | — | ✓ |
Mailgun Pros and Cons vs Postmark
M
Mailgun
+Powerful inbound routing
+Email validation API
+Good deliverability
+SMTP + API
−Less polished DX than Resend
−No React template support
−UI feels dated
P
Postmark
+Best deliverability
+Fast delivery (< 10s)
+Excellent support
+Clean interface
−No free tier
−Transactional-only (no marketing)
−Pricier per-email at low volumes
Should You Use Mailgun or Postmark?
Choose Mailgun if…
- •Powerful inbound routing
- •Email validation API
- •Good deliverability
Choose Postmark if…
- •Best deliverability
- •Fast delivery (< 10s)
- •Excellent support