AWS SES vs Postmark(2026)
AWS SES is better for teams that need cheapest at scale. Postmark is the stronger choice if best deliverability. AWS SES is paid (from $0.10/1,000 emails) and Postmark is paid (from $15/month).
Full feature breakdown, pricing details, and pros & cons below.
Affiliate disclosure: Some “Visit” links on this page are affiliate links. We may earn a commission if you sign up — at no extra cost to you. It does not affect our rankings or editorial coverage. Learn more.
AWS SES
Amazon Simple Email Service is the cheapest bulk email sending service at $0.10 per 1,000 emails.
Starting at $0.10/1,000 emails
Visit AWS SESPostmark
Postmark specializes in fast, reliable transactional email delivery with industry-leading delivery speeds.
Starting at $15/month
Visit PostmarkHow Do AWS SES and Postmark Compare on Features?
| Feature | AWS SES | Postmark |
|---|---|---|
| Pricing model | paid | paid |
| Starting price | $0.10/1,000 emails | $15/month |
| Bulk sending | ✓ | — |
| SMTP + API | ✓ | — |
| Suppression list | ✓ | — |
| Event publishing | ✓ | — |
| Dedicated IPs | ✓ | — |
| Configuration sets | ✓ | — |
| Transactional email | — | ✓ |
| 45-day email history | — | ✓ |
| DKIM/SPF auto-setup | — | ✓ |
| Message streams | — | ✓ |
| Templates | — | ✓ |
AWS SES Pros and Cons vs Postmark
A
AWS SES
+Cheapest at scale
+AWS ecosystem integration
+Dedicated IPs available
+High sending limits
−Complex setup
−No built-in templates
−AWS ecosystem required
−Poor developer experience
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 AWS SES or Postmark?
Choose AWS SES if…
- •Cheapest at scale
- •AWS ecosystem integration
- •Dedicated IPs available
Choose Postmark if…
- •Best deliverability
- •Fast delivery (< 10s)
- •Excellent support