Notices by Buttondown (buttondown@mastodon.social)

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

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

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.💙
https://buttondown.com/changelog

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

Skip the password entirely—now you can login with just your passkey.
https://buttondown.com/blog/2026-03-19-passwordless-passkey-login

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!
https://buttondown.com/blog/2026-03-17-rename-metadata-keys

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).
https://buttondown.com/blog/2026-03-16-legal-docs-refresh

To click or not to click?
https://buttondown.com/blog/how-spam-button-works

We've added passkeys for 2FA!
You can now use your fingerprint, face, or security key as a second factor when signing into your account.
https://buttondown.com/blog/2026-03-09-passkeys

A simple break down of how Buttondown's date-based API versioning system works, and how it lets us ship breaking changes without impacting your integrations.
https://buttondown.com/blog/api-versioning

The origin story of emails in space. 🚀
https://buttondown.com/blog/email-in-space

How we've been making your newsletter safer from behind the scenes.
https://buttondown.com/blog/2026-03-06-how-we-enabled-content-security-policy

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.
https://buttondown.com/blog/2026-03-05-recovery-codes

Tracking email performance has gotten quicker and easier!
Instead of spending time scanning through your past emails, you can now filter your sent emails by open rate, click rate, and delivery rate with just a click.
https://buttondown.com/blog/2026-03-03-filter-sent-emails-by-rate

How we save you from the dreaded Broken Link Embarrassment™️.
https://buttondown.com/blog/link-checking

We've shipped exciting new features in February to make your life easier & newsletter smoother to manage! 💌
- Custom email templates
- Revamped replies
- Simplified cancellation
- OpenAPI specs for archives
+ more!

Check them out on our blog:
https://buttondown.com/blog

Should we keep group emails in the past or are they still useful?
https://buttondown.com/blog/email-exploders

Exciting new ship!🚀
Now you can sort and filter your subscribers page by email open rate and link click rate, making it easier to find subscriber patterns and know who is engaging with your newsletter.
https://buttondown.com/blog/2026-02-23-open-click-rate-sorting

New ship!🚀
We've now added the ability to use your own custom sending domain as the click tracking proxy instead of our shared one.
https://buttondown.com/blog/2026-02-21-custom-click-tracking-domains

Now you can do more with the API!
We've added a big batch of new fields to the Newsletters API—more locale, templates, socials, transactional emails, and more.
https://buttondown.com/blog/2026-02-20-newsletter-api-fields