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
2025-06-20
Referrals in the Portal
2025-06-15
Subscribers can change their email address
How email tracking works behind the scenes
We've published a new blog post: > A brief history of email tracking pixels, how they work, and how to turn them off. Read it here!
Announcing django-rq-cron
We've published a new blog post: > A Django app for running cron jobs with RQ Read it here!
2025-06-09
Featured emails
rssrssrssrss (that is not a typo)
We've published a new blog post: > Sometimes, the only correct response to a feature request is to build an entirely different thing. Read it here!
It's [always] a great time to build an email course
We've published a new blog post: > Turn your unique insights into timely lessons that subscribers invite into their inboxes. Read it here!
2025-06-05
Safer bulk actions
2025-06-03
Test mode
The legendary email client power users wouldn't let die
We've published a new blog post: > Anyone who sells anything on the internet could take a page out of Steve Dorner's Eudora playbook. Read it here!
