SMTP2GO incident

Greylisting Issues with Microsoft/Yahoo

Resolved after 7 days 15 hours, affecting Email sending (SMTP service), on November 5, 2025.

monitoring Nov 06, 2025, 03:01 AM UTC

A fix has been implemented and we are monitoring the results.

Started
Nov 05, 2025, 02:47 PM UTC
Resolved
Nov 13, 2025, 06:34 AM UTC
Duration
7d 15h
Detected by Pingoru
Nov 05, 2025, 02:47 PM UTC

Affected components

Email sending (SMTP service)

Update timeline

  1. investigating Nov 05, 2025, 02:47 PM UTC

    We have identified some greylisting issues with Microsoft/Outlook and Yahoo and are actively working on solutions to mitigate the slowed delivery.

  2. monitoring Nov 06, 2025, 03:01 AM UTC

    A fix has been implemented and we are monitoring the results.

  3. resolved Nov 13, 2025, 06:34 AM UTC

    This incident has been resolved.

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