How to return from a newsletter hiatus in style
We've published a new blog post: > Minimize unsubscribes and get back into a groove with a little technical prowess and transparency. Read it here!
Cleaner subscriber management
Hey folks! We've made some behind-the-scenes improvements to how we handle problematic subscribers that should make your life a bit easier. A brief history...
A plaintext subject line is all email has ever needed
We've published a new blog post: > Many have tried to diminish or usurp it. All they did was make the humble header more resilient. Read it here!
New API changes for Buttondown
We've simplified the SubscriberType enum by removing the following deprecated types: spammy - Now consolidated into undeliverable with a specific...
The subtle art of email forensics
We've published a new blog post: > The subtle hints and hardcoded clues to trace the history of every email message Read it here!
PWYW suggestionss
Hey folks! We've got a small but mighty update for those of you using pay-what-you-want pricing. You can now set a suggested amount for your pay-what-you-...
Email's fingerprints are everywhere you look
We've published a new blog post: > Open any app on your phone and count the buttons, features, and formatting it inherited from the OG communications app....
That's right, even more filtering options
I know, I know. You're sick of all of these filtering options. It was not part of a plan to barrage the changelog with these, so much as a happy and...
Filter subscribers by source
Hot off the heels of last week's addition of domain-based filtering, you can now filter your subscribers by how they joined your newsletter, including such...
Creating newsletter webhooks for fun and profit
We've published a new blog post: > You don't need to have any experience with coding or HTML, or pay for automation platforms, to move data between apps....
New API changes for Buttondown
We've added a new source parameter to the /v1/subscribers endpoint that allows you to filter subscribers by their origin source. What's new You can now...
2025-07-04
Filter subscribers by domain
The physicists who convinced Fermilab to send Brazil's emails
We've published a new blog post: > Neither the first nor the fastest international connection, it was the one that lasted. Read it here!
Updates from June
Make all the mistakes you want in Test mode Everyone sends an errant email eventually. Even engineers of email software (it’s Justin, hi). Well now those...
2025-06-23
Dormancy
New API changes for Buttondown
We've added a product field to the StripeSubscription schema. This field is the name of the product which the subscriber is subscribed to. (You can override...
What you need to know about Orange's new email protections
We've published a new blog post: > Orange has updated its sending requirements. Here is what you need to know to avoid having your emails flagged as spam....
2025-06-26
Dedicated archive settings page
Gmail's shortcuts come from a 1976 keyboard layout
We've published a new blog post: > Keyboard-only email is just as relevant as it was when computers didn't even have mice. Read it here!
2025-06-21
Skip old RSS items when setting up feeds
