by Francis Rozange | Sep 8, 2026 | Emailing
You have seen the sentence, in a deck, an article or a sales proposal: “the industry average open rate is 21.5 percent”. Take five minutes and walk back up the chain. The figure comes from a blog post, citing an annual report, published by an email...
by Francis Rozange | Sep 8, 2026 | Emailing
On 7 June 2021, Apple announced Mail Privacy Protection for iOS 15, iPadOS 15, macOS Monterey and watchOS 8. The wording of the press release is unambiguous: “Mail Privacy Protection stops senders from using invisible pixels to collect information about the...
by Francis Rozange | Sep 8, 2026 | Emailing
Google requires it of bulk senders. So does Yahoo. Everyone calls it “one-click unsubscribe”, and almost everyone believes it means a link to put in the message. It is a protocol. It fits in a nine-page specification, published in January 2017 as RFC 8058,...
by Francis Rozange | Sep 8, 2026 | Emailing
DKIM signs your messages. It is the only one of the three authentications that survives a forward, the only one Yahoo requires before telling you who complained, and the only one without which your one-click unsubscribe button does not appear. It is also the one you...
by Francis Rozange | Sep 8, 2026 | Emailing
Your SPF record fits on one line. It declares who is allowed to send mail in your name, and it looks like this: v=spf1 include:_spf.google.com include:sendgrid.net include:servers.mcsv.net include:_spf.salesforce.com ~all Four providers, four includes, one perfectly...