Mailjet vs Postmark: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Mailjet and Postmark side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Postmark leads on higher user rating. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Mailjet
Email marketing and transactional email
Best for you if:
- • You want good email delivery
Postmark
Reliable, fast transactional email delivery for developers
Best for you if:
- • You want a free tier before you commit
| At a Glance | Mailjet | Postmark |
|---|---|---|
Starts at | Free plan, paid from $9/mo flat, billed monthly Starter plan | Free plan, paid from $15/mo Basic plan |
Category | Email Marketing Transactional Email | Email API Tools |
Rating | 4.1/5 Capterra 4.2 · G2 3.9 630 reviews | 4.7/5 Capterra 4.7 · G2 4.6 67 reviews |
Free plan | No | Yes |
Watch out for | n/a | DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free. |
Choose Mailjet or Postmark?
Choose Mailjet if
- You want good email delivery
- You want fair pricing
- You work in email marketing, not email
Choose Postmark if
- You want a free tier before you commit
- You want sub-second delivery times significantly faster than most competitors
- You want message streams separate transactional from promotional to protect deliverability
- You work in email, not email marketing
In-Depth Analysis
Mailjet
Email marketing and transactional email
Mailjet's Free tier is quite generous with 6,000 emails per month, making it a good starting point.
Strengths
- Pro: Good email delivery
- Pro: Fair pricing
- Pro: Good API
- Pro: Email editor
- Pro: EU-based
Weaknesses
- Con: Support varies
- Con: UI could improve
- Con: Limited automation
- Con: Better alternatives exist
- Con: Deliverability varies
Key features
Postmark
Reliable, fast transactional email delivery for developers
Postmark has built its entire reputation on one thing: deliverability.
Watch out
DMARC monitoring is a paid add-on: $14/month per domain. Many competitors include basic DMARC reporting for free.
Strengths
- Pro: Sub-second delivery times significantly faster than most competitors
- Pro: Message streams separate transactional from promotional to protect deliverability
- Pro: Premium support included on all plans at no extra cost
- Pro: Generous free tier with 100 emails per month that never expires
- Pro: Clean developer-focused API with SDKs for all major languages
Weaknesses
- Con: Not designed for marketing or newsletter campaigns
- Con: Dedicated IPs require minimum 300,000 emails per month
- Con: Free plan limited to 100 emails which is very low for production use
- Con: Overage pricing can add up quickly at scale without pre-purchasing volume
- Con: No built-in drag-and-drop email builder for non-technical users
Key features
Plans and prices: Mailjet vs Postmark
| Tool | Plans and prices | Source |
|---|---|---|
| Mailjet |
| mailjet.com/pricing read Nov 1, 2026 |
| Postmark |
| postmarkapp.com/pricing read Nov 1, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Mailjet pricing and Postmark pricing.
Key Takeaways
Mailjet
- Choose if you want email marketing and transactional email
Postmark
- Higher user rating: 4.7/5 vs 4.1/5
What the data shows
On the data below, Postmark leads on higher user rating. We do not name an overall winner for this pair.
- Postmark has the higher user rating (4.1/5 from 630 reviews for Mailjet, 4.7/5 from 67 reviews for Postmark).
- Entry prices are not ranked, they are charged on different bases: Mailjet $9/mo flat, billed monthly; Postmark $15/mo.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Mailjet and Postmark compare in 2026?
On the data below, Postmark leads on higher user rating. We do not name an overall winner for this pair. Postmark has the higher user rating (4.1/5 from 630 reviews for Mailjet, 4.7/5 from 67 reviews for Postmark). Entry prices are not ranked, they are charged on different bases: Mailjet $9/mo flat, billed monthly; Postmark $15/mo. Both have a free plan.
What are Mailjet and Postmark used for?
Mailjet: Email marketing and transactional email. Postmark: Reliable, fast transactional email delivery for developers.
What does Mailjet cost vs Postmark?
Mailjet's cheapest paid plan is Starter at $9/mo flat, billed monthly. Postmark's cheapest paid plan is Basic at $15/mo; it also has a free plan. Prices read on the vendors' pricing pages, latest check Nov 1, 2026.
What's the main difference between Mailjet and Postmark?
Mailjet's main strength: good email delivery. Postmark's main strength: sub-second delivery times significantly faster than most competitors.