What Is an Email Autoresponder?

An email autoresponder sends a prewritten message or sequence after a defined trigger, such as a subscription or form submission.

Updated September 2026

Autoresponder vs broadcast

A broadcast is sent intentionally to a chosen audience at a particular time. An autoresponder is triggered by a rule or event for each subscriber.

Good first use cases

Welcome messages, lead-magnet delivery, onboarding and simple educational sequences are common places to start.

Keep the logic understandable

Simple automation is easier to test and maintain. Add conditions only when they create a meaningfully better subscriber experience.

Choosing software

If triggered follow-up is central to your needs, see our autoresponder software guide.