How Email Deliverability Actually Works

The Email Marketing Podcast with Fexingo: Newsletters, Open Rates, and Subscriber Growth · Sep 27, 2026 · 10m · transcript

We dig into the invisible infrastructure of email marketing — specifically, how sender reputation is built and maintained through authentication protocols like SPF, DKIM, and DMARC. Most marketers think deliverability is a black box, but it’s actually a series of technical handshake agreements between your mail server and major ISPs. We break down why these records matter more than subject lines, using real-world examples of how misconfiguration leads to spam folders, and what small businesses can do to fix their domain health without hiring an engineer.

#EmailMarketing #Deliverability…