P
Email Marketing
Postmark
80.5
/ 100
Transactional email specialist with industry-leading deliverability. Fast, reliable, and developer-friendly with message streams.
Updated March 2026
Score Breakdown
Value
72
Capability
82
Experience
85
Reliability
92
Support
88
Ecosystem
72
Momentum
70
Pricing
Starter
$15/mo
- ✓ 10K emails/mo
- ✓ Message streams
- ✓ 45-day retention
Growth
$43/mo
- ✓ 50K emails/mo
- ✓ Dedicated IP
- ✓ 365-day retention
Enterprise
Custom
- ✓ Unlimited volume
- ✓ SLA
- ✓ Dedicated IPs
Key Features
✓ Transactional email
✓ Message streams
✓ Inbound email processing
✓ Email templates
✓ DMARC monitoring
✓ Bounce handling
✓ Webhooks
✓ Detailed analytics
About Postmark
Founded
2009
HQ
Philadelphia, PA
Funding
Acquired by ActiveCampaign
Team Size
50+
Open Source
No
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