Postmark vs Amazon SES: Which Should You Choose in 2026?
Choosing between Postmark and Amazon SES comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Postmark
Transactional email service
Best for you if:
- • You want the higher-rated option (8.8/10 vs 8.1/10)
- • You need api tools features specifically
- • Transactional email service
- • Industry-leading deliverability
Amazon SES
Transactional email service from AWS
Best for you if:
- • You need email deliverability features specifically
- • Amazon SES is a cloud email service for sending transactional and marketing emails at scale
- • It provides high deliverability, email authentication, and detailed analytics for sent messages
| At a Glance |  Postmark |  Amazon SES |
|---|---|---|
Price | Paid | Paid |
Best For | API Tools | Email Deliverability |
Rating | 88/100 | 81/100 |
| Feature | Postmark | Amazon SES |
|---|---|---|
| Pricing Model | Paid | Paid |
| Editorial Score | 88 | 81 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | API ToolsEmail Deliverability | Email DeliverabilityTransactional Email |
How Postmark and Amazon SES Compare
Postmark
Transactional email service
Paid · 88/100 score
Amazon SES
Transactional email service from AWS
Paid · 81/100 score
Postmark is a api tools tool. Amazon SES is in email deliverability.
Who Should Use What?
On a budget?
Both are paid. Compare plans on their websites.
Go with: Postmark
Want the highest-rated option?
Postmark: 88/100. Amazon SES: 81/100.
Go with: Postmark
Value user reviews?
Neither has user reviews yet.
Go with: Postmark
3 Questions to Help You Decide
What's your budget?
Both are paid. Pricing won't help you decide here.
What's your use case?
Postmark is a api tools tool. Amazon SES is in email deliverability. Pick the category that matches your needs.
How important are ratings?
Postmark scores higher: 88/100 vs 81/100.
Key Takeaways
Postmark
- Higher score: 88/100 vs 81
- Our pick for this comparison
Amazon SES
- Better fit for email deliverability
The Bottom Line
Postmark (88/100) is our pick.
Frequently Asked Questions
Is Postmark or Amazon SES better?
Postmark scores 88/100 in our evaluation. Both are paid.
What are Postmark and Amazon SES used for?
Postmark: Transactional email service. Amazon SES: Transactional email service from AWS.
What does Postmark cost vs Amazon SES?
Postmark is a paid tool. Amazon SES is a paid tool. Visit their websites for detailed pricing.