Outlook and Hotmail not working - email issue, message not delivered, send receive problem


Many users have reported that they are facing problems with Microsoft Outlook and Hotmail (Web, Client, Android/iPhone App). The email is not delivered to the recipient and emails are not being received.

Microsoft update

Microsoft successfully reproduced the issue and they are analyzing the diagnostic logs to identify a fix. Identified an email transport authentication component that became misconfigured and are developing mitigation steps to restore email delivery.
You can find the status and updates here - https://portal.office.com/servicestatus

We're having issues,
but we're working on it.

Title:
Emails aren't delivered to recipients
User Impact: Users can send email but the messages aren't being delivered to the recipient.
Current status: We've identified an email transport authentication component that became misconfigured and we're developing mitigation steps to restore email delivery.
Start time: Saturday, October 3, 2020, at 7:00 PM UTC
Next update by: Sunday, October 4, 2020, at 10:00 PM UTC

Outlook Hotmail email issue.PNG
Microsoft Service Status - Outlook Hotmail email issue

Title: Emails aren't delivered to recipients
User Impact: Users can send email but the messages aren't being delivered to the recipient.
Current status: We've developed and successfully tested a fix that will address the issue. We're now in the process of applying the fix to restore email delivery.
Start time: Saturday, October 3, 2020, at 7:00 PM UTC
Next update by: Sunday, October 4, 2020, at 10:00 PM UTC


Comments:

  • There was a glitch but seems working fine now. Must be some fix applied by M365 team.
    anonymous 04 Oct 2020 18:20:02 GMT
  • Issues in UK, but seems sporadic
    anonymous 04 Oct 2020 18:01:22 GMT
  • My colleagues not receiving emails, I can send though but they not delivered to the recipients.
    anonymous 04 Oct 2020 17:33:45 GMT
  • not getting any emails in Android Outlook app
    anonymous 04 Oct 2020 17:07:12 GMT
  • Further comments disabled!