Mailjet vs Postmark: Which Should You Choose in 2026?
Choosing between Mailjet and Postmark 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:
Mailjet
Email marketing and transactional email
Best for you if:
- • You want to try before committing
- • You need email marketing features specifically
- • Mailjet is an email delivery platform for transactional and marketing emails
- • It provides email API, campaign builder, and real-time analytics
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
| At a Glance |  Mailjet |  Postmark |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Email Marketing | API Tools |
Rating | 81/100 | 88/100 |
| Feature | Mailjet | Postmark |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Editorial Score | 81 | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Email MarketingMarketing Automation | API ToolsEmail Deliverability |
How Mailjet and Postmark Compare
Mailjet
Email marketing and transactional email
Free tier available · 81/100 score
Postmark
Transactional email service
Paid · 88/100 score
Mailjet is a email marketing tool. Postmark is in api tools.
Who Should Use What?
On a budget?
Mailjet has a free tier. Postmark is paid only.
Go with: Mailjet
Want the highest-rated option?
Mailjet: 81/100. Postmark: 88/100.
Go with: Postmark
Value user reviews?
Neither has user reviews yet.
Go with: Postmark
3 Questions to Help You Decide
What's your budget?
Mailjet is freemium. Postmark is paid. Mailjet lets you start free.
What's your use case?
Mailjet is a email marketing tool. Postmark is in api tools. 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
Mailjet
- Has a free tier
- Better fit for email marketing
The Bottom Line
Postmark (88/100) is our pick. Mailjet has a free tier if you want to test without paying.
Frequently Asked Questions
Is Mailjet or Postmark better?
Postmark scores 88/100 in our evaluation. Mailjet is freemium and Postmark is paid.
What are Mailjet and Postmark used for?
Mailjet: Email marketing and transactional email. Postmark: Transactional email service.
What does Mailjet cost vs Postmark?
Mailjet is freemium (free tier + paid plans). Postmark is a paid tool. Visit their websites for detailed pricing.