Mailgun vs Postmark: pricing, quotas & features (2025)
Email API for developers with deep deliverability tooling
vs. Reliable transactional email with fast delivery
Data sourced from vendor documentation · Last updated May 2026
Summary
Mailgun and Postmark are both email platforms, addressing the same core use case with different implementation philosophies and trade-offs. Both offer a free tier, making it easy to prototype without a credit card. Both platforms start their paid tiers at $15/month. Mailgun has a broader documented feature set (14 vs 12 features). The right choice depends on your existing stack, team experience, and feature requirements. All pricing and quota data below is sourced from Mailgun and Postmark's official documentation — not generated by AI or estimated.
Mailgun vs Postmark: Comparativa de precios, cuotas y características (2025)
En esta comparativa analizamos Mailgun y Postmark lado a lado — incluyendo precios mensuales, límites del tier gratuito, características técnicas, cuotas de uso (almacenamiento, transferencia, usuarios activos mensuales) y los interfaces de desarrollo disponibles. Todos los datos proceden de la documentación oficial de cada proveedor, no de respuestas generadas por IA.
Mailgun es una plataforma de la categoría email — Email API for developers with deep deliverability tooling. Ofrece 5 tiers de precio: Free gratuito, Basic desde $15/mes, Foundation desde $35/mes, Scale desde $90/mes. Su catálogo en Staxly documenta 14 características y 8 interfazes para desarrolladores.
Postmark pertenece a la categoría email — Reliable transactional email with fast delivery. Ofrece 5 tiers de precio: Free gratuito, Basic — 10k desde $15/mes, Pro — 10k desde $17/mes, Platform — 10k desde $18/mes. Su catálogo documenta 12 características y 10 interfazes para desarrolladores.
A continuación encontrarás los tiers de precio completos de ambas plataformas, una matriz de cuotas del tier gratuito (transferencia, almacenamiento, MAU, llamadas a la API y otros límites), el listado completo de características y los interfaces (CLI, SDKs, REST, GraphQL, MCP) disponibles para integrar cada servicio.
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Pricing tiers
Mailgun
Postmark
Free-tier quotas head-to-head
Comparing free on Mailgun vs free on Postmark.
| Metric | Mailgun | Postmark |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Mailgun · 14 features
- Batch Sending — Send up to 1,000 recipients per API call via recipient variables.
- Dedicated IPs — IP pools with auto warmup. Scale+ tier.
- Deliverability Suite — Inbox placement testing, DMARC reporting, seed lists.
- EU Region — Data stored in EU for GDPR-sensitive customers.
- Email Logs — Searchable log of all send attempts + events.
- Email Templates — Template builder + variables + versioning.
- Email Validation — Real-time email verification (syntax, MX, role accounts, disposable).
- Inbound Routing — Route incoming emails to URLs/SMTP. Attachment forwarding.
- Mailing Lists — Unlimited mailing lists with bulk subscribe/unsubscribe.
- Open/Click Tracking — HTML + text tracking with configurable tracking domain.
- SAML SSO — Scale+ tier.
- Send API — REST/SMTP send with MIME + tracking.
- Tags — Tag messages to slice stats.
- Webhook Events — delivered, opened, clicked, unsubscribed, complained, permanent_fail, temporary_…
Postmark · 12 features
- Activity Search — Full-text search over sent messages for 45-365 days.
- Bounce Handling — Automatic hard/soft bounce detection + suppression management.
- Broadcast Messages — Via separate Broadcast Message Stream. Bulk sends with throttling.
- DKIM + SPF — One-click verification + auto-renewal of DKIM keys.
- Inbound Email — Route inbound emails to your webhook. Parse attachments, threads.
- Message Streams — Isolate transactional from marketing for separate deliverability reputation.
- Open + Click Tracking — Configurable at template or send level.
- Raw API Access — 100+ endpoints for bounces, servers, tags, templates, stats.
- Servers — Multi-tenant isolation: each "server" has its own API token + reputation.
- Templates — Mustachio template language with variables, alias + versioning.
- Transactional Send — Reliable API for password resets, receipts, notifications. Sub-10s delivery.
- Webhook Events — Delivery, bounce, spam complaint, open, click, subscription change.
Developer interfaces
| Kind | Mailgun | Postmark |
|---|---|---|
| SDK | mailgun-php, mailgun-python, mailgun-ruby, mailgun.js (Node) | postmark (Node), postmark-dotnet, postmark-go, postmark-php, postmark-rails, postmarker (Python) |
| REST | Mailgun REST API | Postmark REST API |
| OTHER | Inbound Routing, SMTP Relay, Webhooks | Inbound Email, SMTP Relay, Webhooks |
Key takeaways
- Both Mailgun and Postmark offer a free tier — Mailgun ("Free") and Postmark ("Free") — with no credit card required to start.
- The entry-level paid plan is $15/month for Mailgun (Basic) vs. $15/month for Postmark (Basic — 10k).
- Mailgun has a broader documented feature set (14 features) vs. Postmark (12 features) in Staxly's catalog.
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