Showing posts with the label zfblfeat

Four questions about ISP feedback loops

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 ag…
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FBLs in 2023: are they needed? How should you handle them?

As noted recently, Validity plans to start charging for ISP feedback loop complaint feeds . Free users will get some sort of aggregate dashboard that is perhaps similar to what one sees in Google Postmaster Tools , but it sounds as though there will be no individual complaints …

Validity to start charging for Feedback Loop email feeds

Email feedback loops have a long history as a component of the sending, receiving and handling of email messages en masse. I vaguely recall that AOL was the first entity to set up what we commonly think of as a feedback loop -- with their now-common process to register your se…

DELIVTERMS: ISP Feedback Loop (FBL)

An email feedback loop  (aka ISP feedback loop or complaint feedback loop) is a spam reporting mechanism implement by an internet service provider (ISP) or mailbox provider (MBP) that allows spam complaints to flow back to the sender or sender's email platform. Those forwar…

What is the Yahoo Complaint Feedback Loop (FBL or CFL) and how do I sign up for it?

Yahoo (as far as Yahoo Mail is concerned) was once called Yahoo, then it absorbed AOL and became Oath, then Verizon Media, and now it is just called Yahoo again . Throughout this time there has been some form of ISP feedback loop -- you know, that thing that sends complaint re…

Not receiving Yahoo FBL Confirmations? What to do

ISP Feedback Loops (FBL) are valuable for email senders and email service providers (ESPs). It provides valuable information on who is complaining about your mail. Not only does it (usually) allow you to unsubscribe people who complain, preventing them from lodging any addition…

Feedback Loop (FBL) Resources from M3AAWG

Industry group M3AAWG (the Messaging, Malware and Mobile Anti-Abuse Working Group) just published an overview of what ISP Feedback Loops (FBLs) are and how they work. They've also included a comprehensive list of known ISP Feedback Loops. Click here to check them out .