Who owns email deliverability?

Is it marketing, engineering, or security team?

For years, email deliverability has sat in a weird no-man's land. Marketing teams think it's an engineering problem. Engineering thinks it's a marketing problem. Security only shows up when something breaks.

Deliverability becomes reactive. Nobody really owns it. And when things go sideways, everyone points fingers.

That needs to change.

It Starts With Trust, Not Opens

Most people think of deliverability in terms of engagement metrics. Open rates, click rates, that sort of thing. But deliverability is trust and compliance.

Before a mailbox provider ever looks at whether someone opened your email or clicked a link, it's asking a much simpler question. Can this sender be trusted. And that question gets answered long before anyone on the marketing team hits send.

The Foundation Is Technical

Trust is built at the infrastructure level.

  • Proper domain architecture that separates concerns cleanly

  • Authentication configured correctly — SPF, DKIM, DMARC — all aligned and passing

  • Clean separation between mail streams so transactional and marketing traffic don't merge into each other and tank your reputation

  • Consistent identity signals across your entire sending environment

  • Clear sending reputation that mailbox providers can verify

They're the foundation everything else sits on.

Shared Ownership Changes Everything

When organizations start treating deliverability as a technical and compliance discipline instead of a marketing checkbox, something shifts. Ownership stops being a hot potato.

  • Security takes responsibility for domains and authentication

  • Infrastructure makes sure the sending environment is solid and stable

  • Marketing gets to operate on top of all that with actual confidence instead of guessing why emails aren't landing

Let Marketing Do What Marketing Does Best

That's the real unlock here. When the foundation is right, marketing teams get to focus on what they're actually good at.

Building campaigns. Nurturing relationships. Driving revenue. They stop wasting cycles troubleshooting DNS records and reputation issues that were never theirs to fix in the first place.

Engagement becomes the focus because the trust layer underneath is already handled.

Best,
Alec

P.S. Have a topic you’d like us to cover in the next edition? Reply to this email and let us know! We're always eager to address.