Postmark vs Mailjet
Comparing pricing tiers, deliverability architectures, and feature support for transactional and marketing senders.
Editorial Verdict
Mailjet bundles EU-hosted transactional sending (€15/mo Essential incl 15k) with a newsletter/campaign suite and a drag-and-drop builder; Postmark stays transactional-purist with superior delivery transparency and 45-day logs. If campaigns matter, Mailjet; if inbox placement for receipts/password-resets matters most, Postmark.
Cost Benchmark Across Typical Workloads
Starter SaaS 10,000 emails/mo (95% tx)
Postmark $15.00/mo
vs
Mailjet $16.28/mo
Active Product 75,000 emails/mo (80% tx)
Postmark $77.40/mo
vs
Mailjet $44.59/mo
Scale Broadcast 500,000 emails/mo (50% tx)
Postmark $364.94/mo
vs
Mailjet $199.07/mo
Detailed Architectural Comparison
Postmark
Visit Postmark →Key Strengths
- Best-in-class transactional deliverability focus
- 45-day searchable history vs Mailjet’s standard windows
- No daily sending caps tied to plan tiers
- Cleaner separation between transactional and bulk traffic
Trade-offs & Gotchas
- No marketing suite at all
- Higher base rate ($1.25/1k) than Mailjet’s bundled plans
Mailjet
Visit Mailjet →Key Strengths
- EU data processing under French jurisdiction
- Visual campaign builder + segmentation included
- 6,000 free emails/month (200/day)
- Plan volume bundled: €15/mo covers 15k, €35/mo covers 50k
Trade-offs & Gotchas
- Mixed traffic streams can complicate reputation management
- Daily send caps apply on lower tiers
Feature Matrix Comparison
| Feature Capability | Postmark | Mailjet |
|---|---|---|
| Webhooks Event Dispatch | ✓ Included | ✓ Included |
| React Email / Modern SDKs | ✓ Native Support | ✓ Native Support |
| Inbound Email Routing / Parsing | ✓ Supported | ✓ Supported |
| Visual Drag & Drop Template Builder | ✓ Included | ✓ Included |
| Standard SMTP Relay | ✓ Supported | ✓ Supported |
| Sub-account / Multi-tenant Hierarchy | ✓ Supported | ✓ Supported |
| Activity & Search Retention | 45 Days | 30 Days |
| Dedicated IP Monthly Fee | $50/mo | $25/mo |
| EU Sovereign Data Residency (GDPR) | US Cloud | 🇪🇺 Yes (EU Datacenter) |
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