Cloudflare incident

Cloudflare Access one-time PIN emails blocked by certain email security gateways, including Proofpoint

Minor Ongoing View vendor source →

Cloudflare is currently experiencing a minor incident affecting Access, which began 7h ago. The vendor's full update timeline is below.

Started
Sep 01, 2026, 08:06 PM UTC
Resolved
Ongoing
Duration
● 7h 2m
Detected by Pingoru
Sep 01, 2026, 08:06 PM UTC

Affected components

Access

Update timeline

  1. investigating Sep 01, 2026, 08:06 PM UTC

    Some customers using Proofpoint may experience delayed Cloudflare notifications and login codes. Proofpoint is temporarily deferring messages with an SMTP 421 4.7.0 response. Cloudflare will continue retrying delivery.