Provider
CloudflareIncident detail
Cloudflare Access one-time PIN emails blocked by certain email security gateways, including Proofpoint
Resolved incidentMinor
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Timeline
Incident updates
Every update on the official status source, oldest to newest, exactly as it appeared there.
Investigating
Some customers using email security gateway like 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.
Resolved
This incident has been resolved.
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