Home / Enterprise & Transactional / Mailgun vs Postmark

Mailgun Mailgun VS Postmark Postmark

Updated June 29, 2026 · 5 criteria compared

Head-to-Head Scores

Mailgun

7.0

Overall

VS

Postmark

7.5

Overall

Ease
5 6.5
Ease
Features
7.5 6
Features
Deliverability
9 9.5
Deliverability
Pricing
7 7
Pricing
Support
6.5 8.5
Support

Pros & Cons

✅ Mailgun Pros & Cons

  • Excellent for developers
  • Email validation service
  • Inbox placement testing
  • Detailed logs & analytics
  • Good API documentation
  • No marketing campaign builder
  • Developer-only audience
  • Higher starting price
  • Setup requires coding
  • Support paid on low tiers

✅ Postmark Pros & Cons

  • Fastest delivery in market
  • Clean, simple API
  • Excellent deliverability
  • 45-day message history
  • Great documentation
  • Transactional only (no marketing)
  • Higher cost per email
  • Needs developer skills
  • No drag-and-drop builder
  • Limited to transactional use case

Feature Comparison

Feature
Mailgun
Postmark
Transactional Email
✓
✓
Email Verification
✓
—
SPAM & Deliverability Tools
✓
—
Reporting & Analytics
✓
✓
Message Retention
✓
✓
A/B Testing
✓
✓
Template Library
✓
✓
Integrations
✓
✓
GDPR Compliant
✓
✓
Contact & List Management
✓
✓
Lightning-fast Delivery
—
✓
Server Management
—
✓

Best For...

🎯 Mailgun is Best For

DevelopersSaaS platformsEmail validationAPI-first companiesStartup engineering

🎯 Postmark is Best For

App developersTransactional emailSpeed-critical appsSaaS productsDeveloper teams

User Votes

Mailgun

Mailgun

50% of votes

VS
Postmark

Postmark

50% of votes

Pricing

Mailgun

Free trial; Paid from $35/mo

Visit Mailgun →

Postmark

From $15/mo for 10,000 emails

Visit Postmark →

⚡ Quick Verdict

Postmark is the better choice for most users. Postmark wins with better scoring in ease and deliverability.

Frequently Asked Questions

Which is better for beginners, Mailgun or Postmark?

Postmark is more user-friendly (score 6.5/10 vs 5/10). Mailgun may offer more depth but requires more setup time.

Which has better deliverability, Mailgun or Postmark?

Postmark edges ahead in deliverability (9.5/10 vs 9/10) with more robust email infrastructure.

Which is more affordable?

Mailgun offers better value for money (score 7/10). Free trial. Postmark: From $15/mo for 10,000 emails.

Can I switch from Mailgun to Postmark easily?

Both platforms support importing contacts via CSV and offer migration assistance. Mailgun and Postmark have API access for custom migrations. The transition depends on how many automations and templates you need to rebuild.

Which is better for e-commerce?

Neither Mailgun nor Postmark is specifically designed for e-commerce. Consider Klaviyo or Omnisend for dedicated e-commerce email marketing.

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