Latest posts
Best PracticesOctober 27, 20262 min readUnsubscribe Link or One-Click Header? Know the Difference
Understand the difference between a visible unsubscribe link and header-based one-click unsubscribe, then check that both paths honor the reader’s choice.
MeasurementOctober 22, 20262 min readDelivered Does Not Mean Inbox: Understand Email Delivery Events
Learn what an email delivery event proves, why server acceptance differs from inbox placement, and how to investigate a missing message before resending.
Best PracticesOctober 14, 20262 min readWrite Email Subjects That Help Readers Act
Write honest, useful email subjects and opening sentences. Help readers recognize the purpose, understand the next step, and read comfortably on a narrow screen.
Best PracticesAugust 18, 20268 min readHow to Set Up Your SPF Record Correctly
SPF is a DNS policy that tells receiving mail servers which hosts may send email for your domain. How it works, why duplicate records fail, and how to publish one correct record.
Best PracticesAugust 10, 20265 min readHow to Reduce Transactional Email Bounces
Verification, password resets, MFA, and receipts have to land. Most of those bounces start as a typo at signup — fix the form first.