Email Deliverability for B2B Outbound — SPF, DKIM, DMARC and reputation

A working guide to cold email deliverability: domain authentication, warm-up, sending caps, spam signals and how to diagnose a drop.

• Cold email deliverability: a working guide

  SPF, DKIM, DMARC, warm-up and sending caps, explained as an engineering problem rather than a checklist. Plus how to diagnose a drop that has already happened.

  Deliverability · 3 min read