About Postmark
Technical issues encountered.
Postmark Pros & Cons
Strengths
- Up to 4x faster delivery than other providers
- Free tier with 100 emails per month never expires
- 45-day full message and activity retention by default
- Responsive customer support praised in testimonials
- Supports Bulk API for marketing email alongside transactional email
Key Features
🔌
REST API
All plansSupports sending and receiving email over REST API calls.
📡
SMTP Support
All plansSupports message delivery via standard SMTP protocol.
✉️
Transactional Email
Handles password resets, order confirmations, and other triggered messages through dedicated transactional email streams.
📬
Bulk Email API
Pro+Allows sending bulk marketing and broadcast emails through separate message streams.
📥
Inbound Email
Receives inbound email and converts it into a structured JSON object posted to a webhook URL.
📄
Email Templates
All plansProvides responsive HTML email templates for common transactional messages like welcome emails and password resets.
📊
Activity Retention
Retains full message content and activity data for 45 days by default with optional custom retention from 7 to 365 days.
🔗
Link Tracking
Tracks email opens and link clicks to monitor campaign and transactional email performance.
🔐
Email Authentication
Supports DKIM, SPF, and DMARC authentication protocols to improve inbox deliverability.
📈
Delivery Analytics
Provides detailed bounce data, delivery rates, spam complaints, and open rates through the Stats API.
Postmark Pricing
Free
Free/mo
- 100 emails per month
- REST API access
- SMTP access
- Up to 10 servers
Basic
$15/mo
- 10,000 emails per month
- REST API & SMTP
- Up to 5 servers
- Up to 5 custom sending domains
- Up to 4 users
Most popular
Pro
$16.50/mo
- 10,000 emails per month
- REST API & SMTP
- Bulk Email API
- Up to 10 servers
- Up to 10 custom sending domains
- Up to 6 users
Platform
$18/mo
- 10,000 emails per month
- REST API & SMTP
- Bulk Email API
- Unlimited servers
- Unlimited custom sending domains
- Unlimited users
Compare plans
| Feature | Free Free/mo | Basic $15/mo | Pro $16.50/mo | Platform $18/mo |
|---|---|---|---|---|
| REST API | ||||
| SMTP Support | ||||
| Bulk Email API | ||||
| Email Templates |
Pricing extracted from the product website and may change. Check the source for current details.
Frequently asked questions about Postmark
Is Postmark free?
Postmark offers a free plan with optional paid upgrades. See the pricing section for what's included in each tier.
How much does Postmark cost?
Postmark offers the following plans: Free, Basic, Pro, Platform. See the pricing section for what's included in each tier and any per-seat or usage-based costs.
What platforms does Postmark support?
Postmark is available on: Web.
How Postmark compares
PostmarkThis | ||||
|---|---|---|---|---|
| Starting price | Free | $0 | Free | Free |
| Pricing model | Freemium | Free | Freemium | Freemium |
| Platforms | Web | — | Web | Web |
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| Rating | — | — | — | — |