Postmark: Pricing, Features & Alternatives
Postmark is designed specifically for transactional emails with an emphasis on fast delivery, reliability, and clear pricing.
Who it’s for: SaaS teams that care most about transactional email arriving fast, with message history they can search.
Category
Email/Messaging
Pricing
Free tier available
Free tier
Yes
Best for
Email/Messaging: transactional, deliverability, message history
Postmark at a Glance
- What it is
- Transactional email service
- Channels
- Transactional and broadcast streams
- Free access
- 100 emails a month
- How you pay
- Monthly by volume, plus overage per 1,000
- What you manage
- API and SMTP; dedicated IP add-on at volume
Checked November 2026 against Postmark pricing.
Postmark Pricing Plans (2026)
| Plan | Price |
|---|---|
| Free | $0 (100 emails / month) |
| BasicPopular | $15 / month (10,000 emails) |
| Pro | $16.50 / month (10,000 emails) |
| Platform | $18 / month (10,000 emails) |
Pricing summary: Free · paid from $15/mo. Always confirm current pricing on the official site.
Key Postmark Features
- Free developer plan: 100 emails a month
- Basic: $15 a month for 10,000 emails, $1.80 per extra 1,000, 45-day retention
- Pro: $16.50 a month for 10,000, $1.30 per extra 1,000, retention up to 365 days
- Platform: $18 a month for 10,000, $1.20 per extra 1,000, unlimited broadcast streams
- Dedicated IP add-on $50 a month for senders at 300,000+ emails a month
Pros
- +Separate transactional and broadcast streams
- +Searchable message history
- +Low overage on Pro and Platform
- +Simple published pricing
Cons
- −Free plan is only 100 emails a month
- −Dedicated IP only from 300,000 emails a month
- −Basic retention fixed at 45 days
Best Postmark Alternatives
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Postmark Compared
Postmark FAQ
What is Postmark used for?⌄
Postmark is a email/messaging tool. Transactional email service focused on speed and reliability.
Is Postmark free?⌄
Yes. Postmark has a free tier you can start with, and paid plans for more usage and features.
How much does Postmark cost?⌄
Postmark offers a free tier, with paid plans starting at $15/month.
What are the best Postmark alternatives?⌄
Popular Postmark alternatives include Amazon SES, Mailgun, Resend, SendGrid. Compare pricing and features on our Postmark alternatives page.
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