From Open to RSVP: The One-Click Trick Driving 150% More Signups

Running events is tough. You spend weeks planning, prepping, promoting—and then you wait.

Refresh.
Refresh.
Still barely any RSVPs.

For Brighttail, a fast-growing B2B agency, this was the story every time. They’d pour energy into their virtual events, but when it came to getting people actually to sign up? Crickets.

The Real Problem: Too Many Steps

Let’s be honest—most email invites are a hassle.

Step 1. You open the email.
Step 2. Click a button.
Step 3. Get redirected to a form.
Step 4. Fill out that form.
Step 5. Hit submit.

By the time you're halfway through, you’ve lost half your audience. Brighttail realized all that friction was killing their conversions.

So they asked the obvious question: What if signing up took just one click?

The Game-Changer: One-Click Email Registration

That’s when they found Mailmodo—an email platform with superpowers. Using Mailmodo’s interactive AMP emails, Brighttail built a one-click RSVP experience right inside the email.

No redirects. No forms. Just click, confirmed, done.

The result?A 150% increase in event signups.
Yeah, seriously.

The Setup: Faster Than Brewing a Coffee

Even better—it took them less than a minute to set up.

No devs. No coding. Just a few clicks, and their email invite was ready to go. The kind of setup that makes you wonder why this isn’t standard everywhere.

The Bonus Round: Inbox Magic

Brighttail didn’t stop at signups.

They used Mailmodo to turn every email touchpoint into something interactive and fun:

• Pre-event surveys to collect preferences and build hype

• Quick quizzes that shaped the event agenda

• Post-event feedback forms, all embedded directly in the email

Everything happened inside the inbox. No extra tools, no new tabs, no lost momentum.

All of it—done inside one email. Simple for the user, powerful for the sender.

Want to see it in action? Check out the full Brighttail story and explore how you can bring one-click registration to your own events with Mailmodo.