I recently installed Microsoft 365, all my sent emails, are bouncing back as undeliverable

Anonymous
2025-06-25T17:58:07+00:00

I recently installed Microsoft 365, all my emails are bouncing back. Undeliveable.

My account is ******@outlook.com

Microsoft 365 and Office | Subscription, account, billing | For home | MacOS

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments No comments

2 answers

Sort by: Most helpful
  1. EmilyS726 266.1K Reputation points Independent Advisor
    2025-06-25T18:32:09+00:00

    Hello.

    Can you please share the full bounced back email so i can see what it says. It provides diagnostic information that can help me identify the problem. Thanks.

    Was this answer helpful?

    0 comments No comments
  2. Anonymous
    2025-06-25T18:20:33+00:00

    o365 a retail version does not include any email account

    What mail client are you using? MS Outlook desktop or?

    Was this answer helpful?

    0 comments No comments