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Fourth: Fourth Email Disruption

Fourth · fourth.comImpact: majorResolved2026-09-04 13:58 UTC
Public — what happened

Summary

We are starting to see a gradual improvement in the situation and emails are starting to appear. Please note, it will take some time for the backlog of messages to process and we have received no formal notification of resolution at this stage. Further updates will be provided as they become available.

Timeline

Source of record: provider status page. Mirrored as reported; times in UTC.

Independent path health

The status page is the symptom. SquidGrid measures the paths that reach Fourth against their own baselines — whether the routes carrying your traffic degraded, at which handoff, and who owns that stretch.

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Related: Fourth status & history. SquidGrid is not affiliated with Fourth.