Sending from Subdomains: A Strategic Guide to Domain Architecture
How to architect email subdomains for reputation isolation. The 4-stream model, naming conventions, and why [send.brand.com] beats [mail.brand.com].
Identity
Explore how identity works across modern communication systems, from verified senders and digital trust to business profiles, decentralized identity, sender reputation, and platform verification across email, SMS, RCS, WhatsApp, and emerging messaging ecosystems.