Feedback Loops and Whitelists

Email marketers often ask me two questions:

“where is a list of all of the feedback loops (commonly called FBLs)” and “where can I get whitelisted?”

In general ISPs will give an email sender feedback on their sending practices, in the standard Abuse Feedback Reporting Format (ARF) but not always.

So here’s a list that I’ll try to update as I find new or corrected sources:

Feedback Loops (FBL):

White Lists:

Keep in mind that due to the sheer volume of requests, it can take days or weeks, or sometimes even months to get approved for a FBL account at any given ISP or to get whitelisted. And in some cases, ISPs just stop taking applications at any given time to catch up on the backlog…

The following ISPs don’t provide FBLs or White Lists that I know of, but you can check these pages to find out how to follow up with them if your mail is getting blocked:

SenderScore

And lastly, every commercial or bulk mail sender should be SenderScore Certified. Do that here: http://www.returnpath.net/commercialsender/certification/

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