Spam Resource: All Things Deliverability

Emanuel writes: "I need assistance with Senderbase. What ISP report to Senderbase? Is there a way to view Senderbase complaints? We add all ours IPs in the feedback loop, but not in the feedback loop of Yahoo. Is it possible that the lack of a Yahoo feedback loop is the pr…

Google has long provided support for the list-unsubscribe header (as defined in RFC 2369 ) in Gmail. It is listed in their bulk sender guidelines as "strongly recommended." Meaning that if you're a good guy sender, it is expected that you will implement support f…

Over on the Litmus blog, Chad White shares why marketers shouldn't panic or try to disable the list-unsubscribe header on their email messages. Great insight, and the research aligns with what I've been seeing as well.

It's kind of rare, but not rare enough. Every now and then I hear of a client who is seeing intermittent DKIM failures at Microsoft Outlook.com/Hotmail properties. A Delivery Team Lead for one of the bigger ESPs posted about this on the Mailop list recently, looking for fee…

Are you one of the many millions of unlucky souls receiving spammy calendar invites? Apple is apparently aware of and working to address this type of thing, according to the iMore blog. But if you can't wait for that, the Verge has a few suggestions on what you can do abo…