Ask a nerd: what is the best way to unsubscribe from newsletters? The email feature that got added because people kept marking email newsletters as junk.

The email feature that got added because people kept marking email newsletters as junk.
buttondown.com/blog/how-to-...

To: Artemis2@nasa.org
From: Buttondown@buttondown.com
Subject: Welcome Home!💙🚀

Congrats on the iconic voyage—we missed you!💫

#ArtemisII

Simplified email address settings One fewer setting to deal with! (Maybe)

This new ship should help you out (we hope).
We've simplified the email address settings by moving the email address field entirely to your sending domain settings. This update should make your life a little easier.💙
buttondown.com/blog/2026-04...

If you've been dreaming of having the option to gatekeep your content, it's finally here!
We've launched subscription wall—a feature that lets you gate your archive content behind a subscription, without needing paid subscriptions or Stripe set up. It's available for all plans, so give it a whirl!

Smarter automation filters Make sure subscribers still match your filters before an automation runs.

We've shipped something we think you'll love: Smarter automation filters!
Learn more about how it works and how to enable this new feature.
buttondown.com/blog/2026-01...

Email was into agents before they were cool It turns out you’ve been using agents since way before the AI variety started deleting everything in their owners’ inboxes.

It turns out you’ve been using agents since way before the AI variety started deleting everything in their owners’ inboxes.
buttondown.com/blog/not-ai-...

Happy Book Day, Sarah! 💙🍹

Recovery codes for two-factor authentication If you lose your authenticator device, recovery codes let you get back into your account.

We've added a helpful feature to 2FA—recovery codes. 🔐
Now, if you lose access to your authentication app, there's no need to panic because you have a backup option.
buttondown.com/blog/2026-03...

Inboxes were overwhelming before we'd even named them Gather round while an old man yells at cloud (email)

Gather round while an old man yells at cloud (email).
buttondown.com/blog/inbox-h...

The US government tried really hard to screw up email While other projects floundered in red tape, email thrived in it.

While other projects floundered in red tape, email thrived in it.
buttondown.com/blog/email-s...

Sorry about this inconvenience. :(

We're aware of the problem and we're actively working on making this easier.

Public postmortem: database connection exhaustion Our public postmortem for the incident on March 31st, 2026.

Our public postmortem for the incident on March 31st, 2026.
buttondown.com/blog/inciden...

🚀 🌕 💫

Buttondown — Newsletter software for people like you Buttondown is the last email platform you'll migrate to. We're focused on your success, not on bleeding you dry.

Happy April 1st! 💙 ✉️
Important update on buttondown.com

Data processing agreement Buttondown's data processing agreement ("DPA")

Hi there! :)

We detail how we process data on our Data Processing Agreement page (buttondown.com/legal/data-p...).

Re: contact consent, please email support@buttondown.com. They'll provide you with detailed information regarding any specific policy inquiries.

Let us know if this helps!💙

Buttondown — Newsletter software for people like you Buttondown is the last email platform you'll migrate to. We're focused on your success, not on bleeding you dry.

Happy April 1st! 💙 ✉️
Important update on buttondown.com

Buttondown Blog Buttondown's engineers, writers, and biggest fans write about the whole thing: engineering challenges, useful tips and tricks, new features, and more.

See ya March👋 🌸
This month we've shipped loads cool features that improve your experience & newsletter:
- 2FA passkeys + recovery codes
- Passwordless login
- @Bookshop.org embeds
- Bulk renaming of metadata keys
+ more!
See all the ships on our blog!🚀
buttondown.com/blog

Hey Chris, sorry for that disruption! We're back up and keeping an eye on it ~sm

How Igor Ranc built Berlin's largest English-language tech newsletter Igor’s weekly newsletter informs Berlin’s expats of important tech business news, job opportunities, and professional resources in and around Berlin.

Igor’s weekly newsletter informs Berlin’s expats of important tech business news, job opportunities, and professional resources in and around Berlin.
buttondown.com/blog/igor-ranc

Simplified cancellation No more choosing between "pause" and "cancel" — there's just one option now.

We've made the change you've been asking for: simplified cancellation!
Now you can easily cancel your billing when you want a break and reactivate them whenever you want to begin sending. The best part? You keep access to account features during the pause!💙
buttondown.com/blog/2026-02...

Ask a nerd: what is the best way to unsubscribe from newsletters? The email feature that got added because people kept marking email newsletters as junk.

The email feature that got added because people kept marking email newsletters as junk.
buttondown.com/blog/how-to-...

Bookshop.org: Buy books online. Support local bookstores. A better way to buy books online. Every purchase financially supports local independent bookstores.

Authors and book lovers this ship is for you:
Buttondown now supports @Bookshop.org embeds!

Ask a Nerd: Does email length affect deliverability? You’d have to send fairly lengthy newsletters to run into issues. And even then, only a subset of subscribers would suffer.

Our nerd answers the question: Does email length affect deliverability? 🤔
buttondown.com/blog/email-l...

How Brandon Lucas Green shares his musical journey and tips on attaining creative independence Musician and tech professional, Brandon Lucas Green, uses his newsletter as an outlet to share his music journey and provide insights on how fellow creators can achieve creative independence.

It was an absolute pleasure speaking with product manager, indie musician, and writer, @bgreen.lol. We got the opportunity to learn about his unique background, music career as Kid Lightbulbs, and the inspiring actions he takes to uplift his fellow artists.
buttondown.com/blog/brandon...

Changelog A day-by-day log of everything we ship

Learn what we're doing each day to improve the platform for everyone on our dedicated changlog page. It's a one stop shop for understanding what's being shipped and who is doing the work.💙
buttondown.com/changelog

Email was into agents before they were cool It turns out you’ve been using agents since way before the AI variety started deleting everything in their owners’ inboxes.

It turns out you’ve been using agents since way before the AI variety started deleting everything in their owners’ inboxes.
buttondown.com/blog/not-ai-...

Passwordless login Skip the password entirely and sign in with just your passkey.

Skip the password entirely—now you can login with just your passkey.
buttondown.com/blog/2026-03...

Rename metadata keys in bulk "First name" and "first_name", together at last

Manually fixing inconsistent metadata is such a pain, so we made it easier by adding a bulk action.
Now you can rename metadata keys in bulk, right from the subscribers page. One and done!
buttondown.com/blog/2026-03...

A spring cleaning for our legal docs Updated DPA, privacy policy, sub-processor list, and cookie policy.

Time for a little spring cleaning🧹
We've spruced up our DPA, privacy policy, sub-processor list, and cookie policy. Read the the updated legal docs to see what's changed (not much but you should still take a look).
buttondown.com/blog/2026-03...

Reply to conversations You can now reply directly to subscriber conversations from your inbox.

We've made it easier for you to have actual conversations with your subscribers. Now, you can reply directly to subscribers from your inbox!
buttondown.com/blog/2025-12...