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Itemized event exports

Export not just an email's aggregate numbers, but every individual event and timestamp behind them.

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Email should be the universal interface for software

Email is the second-oldest software interface, after the Terminal.

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Dashboard and Archives downtime

Our public postmortem for the incident on September 1st, 2026.

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Ask a Nerd: Can you use web fonts in email?

Yes. But you really shouldn’t.

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Newsletters should be the director’s commentary of every creator

Convert the cruft of your creations into the content your biggest fans treasure most.

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One source of truth for analytics

We consolidated two overlapping analytics pipelines into a single, well-documented events log.

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Ask a Nerd: Can emails include dark and light mode themes?

You can ensure that your emails show up dark. You can’t completely control how.

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Private email is fine, actually

Hide your email, hide your lists

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Introducing forms

Standalone pages dedicated to growing your newsletter.

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What I love about Django

The best parts of Django are the ones you stop noticing — a tour of the abstractions that have given Buttondown the most leverage over the years.

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Introducing segments

Build a set of filters once, name it, and reuse it as a one-click audience on every future email.

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Introducing segments

Build a set of filters once, name it, and reuse it as a one-click audience on every future email.

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Send your RSS digest on any day of the month

Monthly RSS-to-email sends can now land on any day of the month, not just the first, last, or a given weekday.

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Filtered blocks

Show a section of your email to just one type of audience (email, web, subscribers, or paid)

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Public postmortem: email sending & other tasks delayed

Our public postmortem for the incident on July 30st, 2026.

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We built our own dig

Why Buttondown spends so much time reading DNS records — and why we ended up building our own free dig tool to do it.

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How we localize Buttondown

Our homegrown localization is one open-sourced JSON file, a template tag, and a wrapper component — nothing fancy, and kept honest by a bunch of weird tests.

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Enhanced link cards on Bluesky

Your newsletter's archive links can now share as rich, branded cards on Bluesky.

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Turning our OpenAPI schema into a bug finder

How Buttondown uses Schemathesis fuzz tests to turn its OpenAPI contract into a practical API robustness check.

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Public postmortem: custom tracking links broken

Our public postmortem for the incident on July 24th, 2026.

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Mermaid diagram rendering

Author flowcharts and diagrams in Mermaid, and Buttondown renders them in the archives and your emails.

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Public postmortem: api.buttondown.email inaccessible

Our public postmortem for the incident on July 23rd, 2026.

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Email ads in the 80s were weird and wonderful lies

Few could define electronic mail, or how to set it up, but everyone agreed it was awesome.

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Public postmortem: intermittent issues logging into the app

Our public postmortem for the incident on July 17th, 2026.

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How to back up your emails and newsletters locally

Save them daily or quarterly. Just don’t let someone else control what happens to them.

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How we increased conversion rate by 42% by making one small change to our pricing page

It's a starting point with a few early guideposts.

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Ask a nerd: Can I use SVG images in emails?

Scalable Vector Graphics or Suspiciously Versatile Glyphs?

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Better drilldown into opens and clicks

Email analytics drilldowns now nest right in the page — no more slow modals.

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Reply to comments via email

Answer a comment notification straight from your inbox, and it lands as a threaded comment.

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How I send and grow my newsletter without open and click tracking

Buttondown has plenty of analytics features. But you can grow your audience without them.