Can I ask for feedback during the unsubscribe process?

You've added a "Why are you leaving?" dropdown to your unsubscribe confirmation page. You want to know if it's about frequency, content, or something else. That's a reasonable thing to do, and it's allowed, but there's one rule you can't break: the unsubscribe has to work whether they answer the question or not.

The moment you require someone to fill out a survey before their opt-out is processed, you've added friction to a legally mandated step. Under CAN-SPAM, the unsubscribe mechanism can't require subscribers to do anything beyond submitting a simple request. Making the survey mandatory or presenting it in a way that implies it might be required is a compliance risk. The opt-out happens first. The survey is an invitation they can ignore.

When you do ask for feedback, keep it to one question with radio buttons or a short dropdown. Options like "too many emails," "content isn't relevant," "I never signed up for this," and "just cleaning up my inbox" cover the majority of responses. Add a free-text field only if someone on your team will actually read the answers. Long exit surveys feel like an obstacle and get ignored, and a five-option dropdown outperforms a five-question form every time. You'll learn more from a single well-designed question than from a thorough exit interview that no one completes.

Consider offering a preference center before the final confirmation. "Before you go, would you prefer to hear from us less often?" catches some subscribers who'd stay if they had more control over send frequency. But make this easy to skip. Anyone clicking past it to complete the unsubscribe should get there in one click, not two or three. Once you've collected a few months of exit data, use it to fix what's actually driving churn: too-frequent sends, off-topic content, or a consent problem in how people ended up on your list in the first place.