course:office_365:start

This is an old revision of the document!

Microsoft 365

First Time Login

Important

General

Troubleshooting

invalid sender

Your message couldn't be delivered because you weren't recognized as a valid sender. The most common reason for this is that your email address is suspected of sending spam and it's no longer allowed to send email. Contact your email admin for assistance.

Reference: https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/removing-user-from-restricted-users-portal-after-spam?view=o365-worldwide

  • course/office_365/start.1645600450.txt.gz
  • Last modified: 2022/02/23 15:14
  • by don.lee