Resend
China-friendlyA developer-first modern email API
Resend, built by ex-Vercel engineers, focuses on developer experience: minimalist API, Re…
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Postmark
Visit official siteBest-in-class transactional email deliverability
Pricing：$15/月 10K，按发送量阶梯
Good for
- Critical email where speed and inbox placement matter
- Teams that want transactional and marketing physically separated
Not good for
- Marketing email, segmentation, and A/B testing
- Tiny projects (Resend is cheaper for the same features)
Integration effort
API and templating. Transactional and Broadcast streams are separate inside one account.
KYC and entity
None. Marketing content is rejected.
Payouts to China
N/A.
Privacy / compliance notes
SOC 2, GDPR.
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Summary
Postmark refuses marketing email and focuses solely on transactional (password resets, confirmations, etc.). Reputation and deliverability are top tier.