Postmark vs AWS SES(2026)
Postmark is better for teams that need best deliverability. AWS SES is the stronger choice if cheapest at scale. Postmark is paid (from $15/month) and AWS SES is paid (from $0.10/1,000 emails).
Full feature breakdown, pricing details, and pros & cons below.
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Postmark
Postmark specializes in fast, reliable transactional email delivery with industry-leading delivery speeds.
Starting at $15/month
Visit Postmark
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 SESHow Do Postmark and AWS SES Compare on Features?
| Feature | Postmark | AWS SES |
|---|---|---|
| Pricing model | paid | paid |
| Starting price | $15/month | $0.10/1,000 emails |
| Transactional email | ✓ | — |
| 45-day email history | ✓ | — |
| DKIM/SPF auto-setup | ✓ | — |
| Message streams | ✓ | — |
| Templates | ✓ | — |
| Bulk sending | — | ✓ |
| SMTP + API | — | ✓ |
| Suppression list | — | ✓ |
| Event publishing | — | ✓ |
| Dedicated IPs | — | ✓ |
| Configuration sets | — | ✓ |
Postmark Pros and Cons vs AWS SES
P
Postmark
+Best deliverability
+Fast delivery (< 10s)
+Excellent support
+Clean interface
−No free tier
−Transactional-only (no marketing)
−Pricier per-email at low volumes
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
Should You Use Postmark or AWS SES?
Choose Postmark if…
- •Best deliverability
- •Fast delivery (< 10s)
- •Excellent support
Choose AWS SES if…
- •Cheapest at scale
- •AWS ecosystem integration
- •Dedicated IPs available