Guides/A Comprehensive Guide to Transactional Email

A Comprehensive Guide to Transactional Email

Transactional email powers password resets, receipts, confirmations, and verification codes. This guide covers how it works, how to send it, how to choose a provider, authenticate your domain, improve deliverability, and run email reliably at scale.

Highlights

  • Foundations: What transactional email is, how it differs from marketing email, and the common types you'll send.
  • Sending: How transactional email gets delivered, how to choose and compare providers, and how to send your first one with templates, personalization, and localization.
  • Deliverability: How to authenticate your domain with SPF, DKIM, and DMARC and keep your email out of the spam folder.
  • Production: How to run transactional email reliably with retries and idempotency, measure it, and know when to go multi-channel.

Contents

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