SMTP2GO incident

Greylisting Issues with Microsoft/Yahoo

Notice Resolved View vendor source →

SMTP2GO experienced a notice incident on November 5, 2025 affecting Email sending (SMTP service), lasting 7d 15h. The incident has been resolved; the full update timeline is below.

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.