Ask Al: What of Senderbase?

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, bu…

List-unsubscribe on Gmail: Frequently Asked Questions (FAQ)

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.&…

5 Reasons List-Unsubscribe Concerns Are Overblown

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 resear…

Microsoft breaks DKIM signature?

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…

Yuck: iCloud Calendar Spam

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 iMo…