Issue With O365 Custom Email Service - Incoming & Outgoing Emails

Update timeline

1. investigating Jun 23, 2023, 04:40 AM UTC

   Microsoft is experiencing an outage with o365, customers might face issues with incoming and outgoing emails. We will provide further updates once Microsoft provides an update or resolves the issue.

2. investigating Jun 25, 2023, 05:35 AM UTC

   Mailbox from Microsoft Office 365 is facing service degradation with a specific tenants affecting the authentication IMAP and SMTP authentication , further updates can be checked by customer on their azure portal - admin - service health - MO603795 kindly refer the mentioned Service incident from Microsoft end Customer are advised to raise case with Microsoft Support referring service incident - MO603795

3. investigating Jun 25, 2023, 07:34 AM UTC

   Following a sync-up call with the Microsoft team, it has been verified that a global service degradation is impacting the IMAP service. The Microsoft team has shared an estimated time of resolution, stating that it is expected to be resolved by Monday, June 26th, no later than 6:00 PM GMT. We have already escalated the issue to a high priority within Microsoft. Our team is actively collaborating with Microsoft and will provide periodic updates on the services restoration.

4. resolved Jun 26, 2023, 01:30 PM UTC

   The issue with Microsoft's o365 has been resolved, and now both incoming and outgoing emails are accessible. and our product team has confirm that all the failed mailboxes has been restored.