SMTP2GO incident

Greylisting Issues with Microsoft/Yahoo

Minor Resolved View vendor source →

SMTP2GO experienced a minor incident on November 4, 2025 affecting Email sending (SMTP service), lasting 6h 21m. The incident has been resolved; the full update timeline is below.

Started
Nov 04, 2025, 10:15 PM UTC
Resolved
Nov 05, 2025, 04:36 AM UTC
Duration
6h 21m
Detected by Pingoru
Nov 04, 2025, 10:15 PM UTC

Affected components

Email sending (SMTP service)

Update timeline

  1. identified Nov 04, 2025, 10:15 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. resolved Nov 05, 2025, 04:36 AM UTC

    This incident has been resolved.