Aleesha Khan

Works on the systems behind sending, syncing and scoring at scale. Interested in the boring reliability problems that quietly decide whether a growth motion works.

• 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