Mailgun vs Postmark

Mailgun9.7Visit Postmark8.8Visit

Higher score Mailgun #1 in Email APIs 9.7/10 Free plan · 30-day trial Free planFree trial✓ 5 of 5 features Visit Mailgun

vs

Postmark #5 in Email APIs 8.8/10 Free plan Free plan✓ 5 of 5 features Visit Postmark

• Mailgun fits best

  Developers wanting a mature full email API

• Postmark fits best

  Transactional email teams prioritizing deliverability

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Side by side

Feature	Mailgun 9.7/10 Visit ↗	Postmark 8.8/10 Visit ↗
At a glance
Editor score	9.7	8.8
Ranking	#1 in Email APIs	#5 in Email APIs
Best for	Developers wanting a mature full email API	Transactional email teams prioritizing deliverability
Pricing model	Free plan + paid	Free plan + paid
Starting price	—	$15/mo
Free plan	✓	✓
Free trial	30 days	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Features Mailgun 5/5 · Postmark 5/5
Inbound email	✓	✓
Delivery event webhooks	✓	✓
SMTP relay	✓	✓
Email templates	✓	✓
Dedicated IP option	✓	✓
Specs
Monthly send limit	10000 /mo	10000 /mo
Our review
Pros	RESTful API, SMTP relay, inbound routing, and delivery webhooks Templates, analytics, logs, validation, and suppression management Dedicated IP pools, SAML SSO, and live support on Scale	REST API, SMTP sending, and separate transactional and broadcast streams Delivery, bounce, open, click, and spam complaint webhooks Inbound email parsing, templates, analytics, and official libraries
Cons	Paid-plan pricing varies by tier and is not summarized here Advanced features are concentrated in higher plans Broader deliverability tooling may exceed simple sending needs	Free plan allows only 100 emails per month Basic and Pro plans limit monthly volume to 10,000 emails Broadcast and transactional workflows require stream management
Our verdict	Mailgun is an email delivery platform for developers, marketers, and product teams. It supports transactional and marketing messages through RESTful email APIs and SMTP relay, with inbound email routing, delivery-event webhooks, templates,… Read the review →	Postmark is an email delivery service for application teams sending transactional and broadcast messages through REST APIs or SMTP. It supports individual and batch messages, separate message streams, reusable HTML and plain-text… Read the review →

Strengths and trade-offs

• Mailgun — where it wins

  • RESTful API, SMTP relay, inbound routing, and delivery webhooks
  • Templates, analytics, logs, validation, and suppression management
  • Dedicated IP pools, SAML SSO, and live support on Scale

  Where it doesn't

  • Paid-plan pricing varies by tier and is not summarized here
  • Advanced features are concentrated in higher plans
  • Broader deliverability tooling may exceed simple sending needs

• Postmark — where it wins

  • REST API, SMTP sending, and separate transactional and broadcast streams
  • Delivery, bounce, open, click, and spam complaint webhooks
  • Inbound email parsing, templates, analytics, and official libraries

  Where it doesn't

  • Free plan allows only 100 emails per month
  • Basic and Pro plans limit monthly volume to 10,000 emails
  • Broadcast and transactional workflows require stream management

• Mailgun9.7/10 · Free plan · 30-day trial

  A mature email API with broad sending, inbound routing, tracking, and deliverability tools.

  Visit MailgunFull verdict →
• Postmark8.8/10 · Free plan

  A focused email API for transactional delivery, tracking, templates, and inbound processing.

  Visit PostmarkFull verdict →