Deliverability articles.

3 tactical articles on deliverability for modern B2B teams.

Deliverability in 2026: what changed and what to do

Gmail and Outlook policy updates, DMARC enforcement, and the sender infrastructure every team needs now.

Marc Devlin· May 23, 2026· 10 min read

Email Verification in 2026: A Buyer's Guide

Not all verification is equal. Learn how waterfall verification, catch-all detection and continuous re-verification affect your deliverability and sender reputation.

Marc Devlin· May 24, 2026· 10 min read

Deliverability

The 2026 Email Deliverability Checklist (17 Steps)

The exact checklist top deliverability teams use to keep bounce rates under 2% and inbox placement above 95%.

Marc Devlin· Jun 19, 2026· 12 min read