Email · facts read November 6, 2026
Postmark
Transactional email service focused on deliverability, with separate message streams. Known for transactional deliverability, with transactional and broadcast streams kept apart.
- Free plan
- Free developer plan: 100 emails per month, no overage, does not expire.
- Paid from
- Basic: $15/month for 10,000 emails.
- Monthly cost at 1,000 users
- $15/month Free is 100 emails a month; Basic is $15/month for 10,000.
- Free plan allows commercial use
- Not stated
- Open source
- No
- Self-hostable
- No
Source: Postmark pricing, read November 6, 2026. Prices change; check the vendor's page before you commit.
Best for
- Mission-critical transactional email
- Long activity retention for support
Watch out for
- Free plan is 100 emails a month, enough for development only.
How Cuely scores Postmark
The published scores, from −3 to +3, that decide when Cuely picks it. Method
- +2regulated or compliance-sensitive. Activity retention up to 365 days on Pro helps audits and support.
- −1keep costs as low as possible. Only 100 free emails a month.
Postmark alternatives
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