Postmark

The email delivery service that people actually love.

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Overview

Postmark is a transactional email platform built for developers, focusing on getting important application emails like receipts, password resets, and notifications to the inbox quickly and reliably. A key part of their service is a strong emphasis on deliverability, which includes providing customers with tools and guidance for setting up email authentication. They offer a free DMARC monitoring tool to help users secure their domains.

✨ Key Features

  • High-speed Transactional Email Sending
  • Superior Deliverability and Reputation
  • Detailed Email Analytics and Event Webhooks
  • Free DMARC Reporting Tool
  • Message Streams for organization

🎯 Key Differentiators

  • Focus on speed and reliability for transactional email.
  • Strict sender vetting process leads to very high deliverability.
  • Excellent customer support and developer documentation.

Unique Value: Provides fast, reliable delivery for your application's most important emails, ensuring they reach the inbox every time.

🎯 Use Cases (4)

Sending time-sensitive transactional emails (e.g., password resets, receipts) Application-generated notifications Monitoring domain security with DMARC Ensuring critical emails reach the inbox

✅ Best For

  • SaaS application email delivery
  • E-commerce order confirmations

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • High-volume bulk marketing email campaigns (they focus on transactional)

🏆 Alternatives

SendGrid Mailgun Amazon SES

Prioritizes deliverability and speed for transactional mail above all else, making it more reliable for critical emails than all-in-one platforms.

💻 Platforms

Web API

🔌 Integrations

API SMTP Zapier Numerous official libraries

🛟 Support Options

  • ✓ Email Support
  • ✓ Dedicated Support (Enterprise tier)

🔒 Compliance & Security

✓ GDPR ✓ SSO

💰 Pricing

$15.00/mo
Free Tier Available

✓ 14-day free trial

Free tier: 100 emails/month

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