Blog

Infrastructure, deliverability, and the parts of the email industry that only make sense once someone says them plainly. RSS available.

Subscribe: /blog/feed.xml

• Who actually sends your newsletter? — a field guide to rented pipes: what your platform's own status page reveals about who really delivers your email.
• What an email receipt should look like — the case for cryptographic proof of delivery, and the certificate format we ship.
• One door in — why every send on this platform passes a single admission gate, and the entire class of bugs that removes.
• We made overclaiming a build error — how this website's copy is checked against a claims ledger at build time.
• Reading your DMARC reports — a working guide to the reports mailbox providers already send you about your domain.