
Zendesk Is Making Sender Authentication Mandatory. Public-Facing Support Teams Should Pay Attention.
By Brandon Tidd | Sep 10, 2026 | Partnerships, Zendesk
Zendesk is raising the security floor for incoming email. Beginning September 23, 2026, Zendesk will start automatically enabling its Minimal sender authentication standard for accounts that currently have email authentication disabled. Accounts that a… Read more Zendesk Is Making Sender Authentication Mandatory. Public-Facing Support Teams Should Pay Attention.


