Feedback Loops: Setting Up JMRP, Yahoo CFL, and a Complaint Data Pipeline
Feedback loops send you the complaints your recipients file. How to register with Microsoft, Yahoo, and the rest, and what to build so the data actually gets used.
#Suppression
3 articles with this tag
Bounce Classification: Hard, Soft, and What Your Handling Logic Gets Wrong
Hard versus soft is not enough. How SMTP codes, enhanced status codes, and provider quirks should drive your retry, suppression, and reputation logic.
List Hygiene Beyond Bounces: Engagement-Based Suppression Strategies
Bounce-based list cleaning is decades behind modern deliverability. The 90/180/365-day engagement model, sunset policies, and re-engagement that actually works.