Postmark
Transactional email service focused on deliverability
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Free for 100 emails/mo, from $15/mo
Postmark specializes in transactional email and has built their reputation on deliverability. They guarantee emails hit inboxes, not spam folders.
Best for solo founders who can’t afford email delivery issues and want reliability over low cost.
Pros
- ✓ Excellent deliverability rates
- ✓ Fast email delivery
- ✓ Great analytics and debugging
Cons
- ✗ More expensive than alternatives
- ✗ Transactional only, no marketing emails