Changes / Greenhouse / Microsoft 365 Delivery Issues

Greenhouse: Major incident: Microsoft 365 Delivery Issues

Summary

Greenhouse reported a major incident in which emails might not be sent for customers using custom SMTP routes with Microsoft 365. It started at 2026-06-19 17:24 UTC and resolved at 2026-06-19 22:24 UTC, lasting 4 h 59 min. A fix was implemented by 06-19 21:49 UTC.

Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.

Major incidentLabel: outage (model (Jev), 79%)Changed Detected Source: stspg.io

What changed

AddedTitle#1
Before: not present
After: Microsoft 365 Delivery Issues
AddedImpact#2
Before: not present
After: major
AddedStatus#3
Before: not present
After: resolved
AddedStart time#4
Before: not present
After: 2026-06-19 17:24 UTC
AddedResolved time#5
Before: not present
After: 2026-06-19 22:24 UTC
AddedAffected components#6
Before: not present
After: Greenhouse Recruiting - Silo 1, Greenhouse Recruiting - Silo 101, Greenhouse Recruiting - Silo 2, Greenhouse Recruiting - Silo 201, Greenhouse Recruiting - Silo 3, Greenhouse Recruiting - Silo 4, Greenhouse Recruiting - Silo 5, Greenhouse Recruiting - Silo 6, Greenhouse Recruiting - Silo 7, Greenhouse Recruiting - Silo 8, Greenhouse Recruiting - Silo 9, Silo 1, Silo 101, Silo 2, Silo 201, Silo 3, Silo 4, Silo 5, Silo 6, Silo 7, Silo 8, Silo 9
AddedUpdateinvestigating#7
Before: not present
After: We are currently investigating an issue where emails may not be sent for customers using custom SMTP routes with Microsoft 365.
AddedUpdateidentified#8
Before: not present
After: The issue has been identified and a fix is being implemented.
AddedUpdatemonitoring#9
Before: not present
After: A fix has been implemented and we are monitoring the results.
AddedUpdatemonitoring#10
Before: not present
After: We are continuing to monitor for any further issues.
AddedUpdateresolved#11
Before: not present
After: This incident has been resolved.

First version of this incident archived by Rewindex. View the live incident.

History of this incident

When (UTC)ChangeKind
Major incident: Microsoft 365 Delivery Issues (this change)
Greenhouse reported a major incident in which emails might not be sent for customers using custom SMTP routes with Microsoft 365. It started at 2026-06-19 17:24 UTC and resolved at 2026-06-19 22:24 UTC, lasting 4 h 59 min. A fix was implemented by 06-19 21:49 UTC.
Major incident

All Greenhouse changes → · Greenhouse profile · Markdown · JSON