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Mailgun vs Postmark

Side-by-side comparison of features, pricing, ratings, and alternatives.

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Mailgun
MailgunTransactional email API with deliverability analytics and inbound routing
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Postmark
PostmarkReliable transactional email delivery service
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Overview
Description

Mailgun is a cloud-based email service that provides a simple and scalable way to send and receive emails. It offers a range of features including email validation, spam filtering, and analytics to help businesses improve their email deliverability and engagement. With Mailgun, businesses can automate their email workflows, track email performance, and optimize their email campaigns for better results.

Postmark is a transactional email delivery service designed to help businesses and developers send and track emails efficiently. It offers separate message streams and detailed per-message delivery logs, ensuring that emails are delivered reliably and on time.

Pricing
Freemium
Paid (Subscription)
Category
Transactional Email
Transactional Email
Best for
Developers and businesses that need to send and receive large volumes of emails programmatically
Developers and businesses
Specifications
free tier
Yes
No
uptime sla
99.99%
99.99%
datacenter regions
US, EU, APAC
US, EU
Pros & Cons
Pros
  • Scalable and reliable email infrastructure
  • Advanced analytics and reporting
  • Easy to integrate with custom applications
  • Robust spam filtering and security features
  • Reliable email delivery with high deliverability rates
  • Scalable infrastructure to handle large volumes of emails
  • Easy integration with popular frameworks and libraries
  • Detailed per-message delivery logs for tracking email delivery and opens
Cons
  • Limited free tier
  • Steep learning curve for advanced features
  • Limited customer support options
  • Limited customization options for email templates
  • No built-in support for email marketing automation
  • Pricing plans may not be suitable for small businesses or individuals
Community & Metrics
Upvotes
0
0
User rating
Not enough data
Not enough data

The Verdict

AI-generated from listing data

Mailgun offers a free tier and richer inbound/validation features, while Postmark provides tighter deliverability guarantees but requires paid subscription.

Key differences

  • •Mailgun includes inbound routing and email validation; Postmark does not.
  • •Postmark guarantees high deliverability with detailed per‑message logs; Mailgun’s deliverability is strong but not highlighted as a core claim.
  • •Mailgun has a free tier; Postmark has no free tier.
  • •Mailgun supports APAC datacenters; Postmark is limited to US and EU.
  • •Postmark limits template customization; Mailgun offers broader integration via webhooks.
DimensionWinner

Pricing & value

Mailgun provides a freemium tier; Postmark requires paid subscription.

Mailgun

Uptime & reliability

Both guarantee 99.99% SLA.

Tie

Performance

Postmark emphasizes high deliverability rates and detailed delivery logs.

Postmark

Developer experience

Mailgun offers REST API, inbound routing, validation, and webhooks for deep integration.

Mailgun

Regions & compliance

Mailgun adds APAC region to US/EU, giving broader geographic coverage.

Mailgun

Support

Postmark’s paid model typically includes stronger support; Mailgun lists limited support options.

Postmark

Lock‑in

Both use standard email APIs/SMTP; no unique lock‑in features disclosed.

Tie

Choose Mailgun if…

Developers needing free tier, inbound routing, validation, or APAC coverage.

Choose Postmark if…

Teams prioritizing maximum deliverability and detailed logs, willing to pay.

Common questions

Can I start sending emails for free?

Yes, Mailgun offers a free tier; Postmark does not have a free tier.

Which service gives me inbound email processing?

Mailgun provides inbound routing to custom endpoints; Postmark lacks inbound processing.

Do both services cover the APAC region?

Mailgun includes APAC datacenters; Postmark only offers US and EU regions.