Strategy & Tactics

Transactional Email

A transactional email is an automated message triggered by a user's action on your platform, such as a password reset, subscription confirmation, or receipt.

What Is Transactional Email?

Transactional emails differ from marketing emails in that they're triggered by a specific user action and contain information the user is expecting. Common examples include subscription confirmations, double opt-in verification emails, password resets, account updates, and purchase receipts. Transactional emails typically have much higher open rates (60-80%) than marketing emails because recipients are actively expecting them. They're also treated differently by anti-spam regulations — CAN-SPAM exempts transactional emails from certain requirements (like unsubscribe links) as long as their primary purpose is transactional. However, adding marketing content to transactional emails can blur this line.

Why It Matters for Newsletters

For newsletter creators, the most important transactional email is the subscription confirmation (double opt-in). It's the first email a new subscriber receives, sets the tone for the relationship, and has the highest open rate of any email you'll ever send. Getting your transactional emails right creates a professional first impression.

Best Practices

  1. Send transactional emails immediately — delays erode trust
  2. Keep them focused on the transaction — minimal marketing content
  3. Use a consistent design language with your newsletter brand
  4. Ensure deliverability by sending transactional emails from a separate subdomain if needed
  5. Test transactional email flows regularly to ensure they still work correctly

How Aldus Handles This

Aldus handles transactional emails automatically — subscription confirmations, double opt-in verification, and welcome messages are all sent through the same Resend infrastructure as your newsletters, ensuring reliable delivery.

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