Resend vs Postmark: free tier limits side by side
The free tier limit rows of Resend and Postmark, as each vendor's public page listed them. Data collected on 2026-10-05.
Each column keeps the order of that tool's own page. A row puts two items next to each other by position only: they are the same kind of limit only when the item names say so. This page ranks nothing and picks neither tool.
| Resend | Postmark |
|---|---|
| Emails: 3,000 per month | Emails: 100 per month |
| Daily cap: 100 emails per day | Data retention: 45 days |
| Domains: 3 | Lowest paid plan (Basic): $15.00/month for 10,000 emails |
| Data retention: 30 days | |
| Contacts: 1,000 | |
| Automation runs: 10,000 per month |
Tool pages
Each tool page has the card and commercial use terms, the gotchas and the address of the vendor page that was read.
More in this category: Email.