The deliverability signal you might be ignoring

When was the last time one of your fundraising emails got a reply?

Not a donation or a click, but an actual reply to one of your emails beyond just a vacation autoresponder.

If the answer is “I don’t know,” you’re not alone. Most nonprofit emails are designed to drive one-way actions: make a gift or sign this petition. 

But that one-way pattern is leaving something on the table that matters more than it used to.

Why replies matter now
As I covered last month, Gmail’s AI Inbox isn’t just filtering emails based on whether or not your authentication is up to snuff. 

It’s watching how people interact with your emails over time. And replies are one of the strongest positive signals a subscriber can send.

It’s pretty simple. When someone replies, they’re telling Gmail, “Hey, I know this sender.”

Whether it’s positive feedback or a request, that signal improves your inbox placement — not just with that one supporter, but with Gmail’s view of you as a sender overall. 

The more replies you get, the more Gmail treats your emails as wanted.

The inverse is true, too. If a contact ignores several messages in a row, Gmail is more likely to send your next email to spam.

Engagement now directly affects whether your emails reach the inbox.

What this looks like in practice
You don’t need to overhaul your program. You need a few emails designed to start a conversation.

Ask a real question in your welcome series. After someone signs up or makes their first gift, send an email that asks why they care about your cause. 

Not a survey link, but an actual question with a prompt to hit reply: “What brought you to [org name]? We read every response.”

Welcome emails already get roughly 3x the open rate of regular campaigns. Use that attention to start a two-way relationship.

Send a one-question email between campaigns. In the gap between appeals, test a short email with a single question, like: “What’s one thing you wish we talked about more?”

Make it feel like an actual email from a person, not a broadcast. 

Use your post-gift thank-you to invite a response. Instead of just confirming the donation, add, “Is there a reason this cause is personal for you? I’d love to hear it.”

You might get stories you can use (with permission) in future appeals, and you’ll generate reply signals from your most engaged segment.

A note on actually reading the replies
Let me be very clear: This tactic only works if someone on your team is prepared to read and respond. 

You don’t need to write a novel back. A two-sentence acknowledgment is enough. 

And if you’ve received valuable feedback or information for a potential story lead, be sure to catalogue it for later!

But if you ask people to reply and then ignore them, you’re likely eroding trust.

The bottom line
Every nonprofit email program sends asks. Fewer send emails that invite a real response. 

In a world where Gmail’s AI is deciding what your supporters see, the emails that generate replies aren’t just good for relationships; they’re protecting your ability to reach the inbox at all.

Have you tried asking your supporters to reply to an email recently? Hit reply and tell me how it went!

Check our events list for more or reply to this email to submit one for consideration.

‘Til next time!
Sara