The Vanishing Inbox: Why One in Six of Your B2B Emails Never Arrives — and the 2026 Playbook to Get Them Back
The global average B2B inbox placement rate is just 83.1%, and Outlook has dropped to 75.6% — so a sixth of your email vanishes while your dashboard still says "delivered." Why authentication is only the toll booth, and the five-part framework to reclaim the inbox.