Top Deliverability’s Blog
Spam Resource: Four questions about ISP feedback loops
- September 25, 2023
- Posted by: Top Deliverability
- Category: Industry News Spam Resource

Al Iverson just posted another insightful story on Spam Resource:
I realize that talking about ISP feedback loops can just lead to a lot of blank stares from folks. Not because they’re stupid, by any means. But because for the most part, FBLs are such a basic, foundational part of an email sending platform, and most of those platforms long ago “just dealt with it” — meaning dealt with the set up and management of feedback loops many years ago (almost 20 years, in some cases), that a lot of marketers haven’t ever been required to set up or manage feedback loops themselves. Indeed, some modern email sending or relay platforms just manage the feedback loop stuff for you, automatically, suppressing complainers and generating reporting. So some newer platform maintainers may not have ever even set up and managed ISP feedback loops.Question number one: If nobody really knows about or remembers this, and if new platforms perhaps don’t even bother
Read more here: Four questions about ISP feedback loops
Leave a Reply Cancel reply
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
SPAMASSASSIN RULES
All SpamAssassin rules in one place, EXPLAINED!
SMTP COMMANDS
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
Deliverability Glossary
The most comprehensive Email Deliverability and Marketing Glossary!