AWS SES vs Postmark

Two transactional email providers, compared on price, features and ratings, so you can pick fast.

AWS SES wins price and deliverabilityPostmark wins developer experience and reviews

Updated July 2026

AT A GLANCEJuly 2026
AWS SESPOSTMARK
Entry price$0.10$10
Cost per 1k @ 100k$0.1$1.26
Free tier3,000/mo (1st yr)100/mo
G2 rating4.24.6

THE VERDICT

AWS SES wins on price and deliverability. Postmark wins on developer experience and reviews.

AWS SES starts at $0.10 versus Postmark's $10. Postmark rates higher with developers (4.6 vs 4.2 on G2). Pick based on volume and team, and the scorecard below breaks down where each one leads.

Which should you choose?

Pick AWS SES

✓It is suitable for developers on the AWS ecosystem who want to integrate a mailing system into their software.
✓It is suitable for firms or brands to send bulk transactional emails.
✓It is an excellent tool for email marketing.
Set up AWS SES with Courier →

Pick Postmark

✓Postmark is great for agencies, enterprises, startups, and even your side projects.
✓It is an excellent choice if you want to use servers to separate your email stream.
✓It is also a great choice if you want a complete self-serve option.
Set up Postmark with Courier →

Feature by feature

Winner cells are tinted, green where AWS SES leads, violet where Postmark does.

capability
AWS SES
Postmark
Starting paid plan
$0/mo
$15/mo
Cost per 1k @ 100k
$0.1
$1.26
Pricing model
Pay-as-you-go
Subscription
Overage
$0.10 per 1,000 emails (flat Pay-as-you-go)
$1.20–$1.80 per 1,000 by plan
Dedicated IP
Add-on
Add-on
Deliverability tooling
Yes
Yes
Automated IP warmup
Yes
No
Suppression management
Yes
Yes
SPF / DKIM / DMARC
Yes
Yes
BIMI
Yes
—
Transactional API
Yes
Yes
Marketing campaigns
No
No
SMTP relay
Yes
Yes
Inbound routing
Yes
Yes
Dynamic templates
Yes
Yes
Batch send
Yes
Yes
Scheduled send
—
No
Official SDKs
Java, Python, JavaScript/Node.js, .NET, Ruby, Go, PHP, C++
.NET, Java, Node.js, PHP, Python, Ruby, Rails
Event webhooks
Yes
Yes
Drag-and-drop editor
No
No
Custom HTML editor
Yes
Yes
Email validation
Add-on
No
Log retention
—
45 days
Sandbox / test mode
Yes
Yes
Open / click tracking
Yes
Yes
Analytics dashboard
Yes
Yes
A/B testing
No
No
EU data residency
Yes
No
SOC 2
Yes
No
HIPAA
BAA
No
GDPR
Yes
Yes
ISO 27001
Yes
No
Support channels
Email, Chat, Phone (via AWS Support plans)
Email, Chat
24/7 support
Yes
No
Support SLA
Plan-gated
No

FAQ

Common questions

AWS SES starts at $0.10 versus Postmark's $10. Because pricing models differ by tier, the cheaper option depends on your monthly volume, so compare the pricing rows in the scorecard above.

Keep comparing

Related comparisons

AWS SES vs MailgunEmail→AWS SES vs SendGridEmail→AWS SES vs SparkPostEmail→AWS SES vs OneSignal EmailEmail→AWS SES vs MailjetEmail→AWS SES vs MandrillEmail→

Why not both?

Use both behind one API.

Route AWS SES, Postmark, or both, and switch providers without changing your code. Courier sits in front of every channel.

Start building freeRead the docs

Pricing, plans and feature availability as of July 2026 and may change. Ratings are aggregated from public review platforms. Postmark is an ActiveCampaign product.

Multichannel Notifications Platform for SaaS