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Postmark

Fastest transactional email delivery — inbox-focused

4.5(398 reviews)freemium
free tierapi access

Postmark is a transactional email service with best-in-class inbox delivery rates. Focuses solely on transactional email (not marketing). Detailed bounce analytics, message streams, and server-side DKIM.

Pros

  • Best transactional email delivery rates
  • Detailed bounce and delivery analytics
  • Focus on transactional — no deliverability conflicts with marketing email

Cons

  • More expensive than SendGrid at volume
  • Transactional only — no marketing email

Best For

SaaS developers who need the most reliable transactional email delivery for password resets and notifications

Pricing

Free

Free
  • Core features included

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