More about the FBL

Len Shneyder has a really interesting post up about the feedback loop and the broader message this sends about the intersection of social media and email marketing. Go read it!

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New Feedback loop

There’s a new feedback loop at This is a DKIM based FBL (like Yahoo) and is designed primarily for ESPs. I am hearing there is an IP based FBL for ISPs in the works, but there isn’t a firm release date for that yet. Senders and ESPs can signup for the new FBL at […]