Ha Hotmail vagy Outlook e-mailt használ a Thunderbird-del, és „szokatlan bejelentkezési tevékenység” riasztásokat kap, akkor nincsen egyedül ezzel a problémával. Úgy tűnik, hogy ez a Microsoft részéről jelentkező probléma, és jelenleg is aktívan vizsgálják.
A Microsoft Answers fórumon ez a bejegyzés tartalmaz frissített információkat.

További hasonló bejegyzések:

• OUTLOOK MAIL ACCOUNT - UNUSUAL ACTIVITY - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/outlook-mail-account-unusual-activity/6cfb226f-8cd7-41ae-bd0a-a80d100af543
• Unusual Microsoft Account Activity - Microsoft Community
  https://answers.microsoft.com/en-us/msoffice/forum/all/unusual-microsoft-account-activity/36779458-938b-4c7b-be8d-8cf64b2b3d2e
• Strange connection activity coming from Redmond (Microsoft) - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/strange-connection-activity-coming-from-redmond/5fcc329e-2ab8-46d0-8984-3124e861875f
• My outlook account notices some unusual IMAP Login from Microsoft at - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/my-outlook-account-notices-some-unusual-imap-login/ca3a367c-e81e-4737-90d1-beaa14d70e0c?page=1
• Unusual Account Activity from MS IP Addresses - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/unusual-account-activity-from-ms-ip-addresses/974cc1c1-232f-44a2-b0eb-0f378fd2c801
• Unusual sign in activity - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/unusual-sign-in-activity/47ad22e0-a04f-47fd-89df-217f41386b61
• Unusual IMAP activity from IP belonging to Microsoft - Microsoft Q&A
  https://docs.microsoft.com/en-us/answers/questions/927298/unusual-imap-activity-from-ip-belonging-to-microso.html
• Suspicious activity allegedly coming from a Microsoft IP adress - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/suspicious-activity-allegedly-coming-from-a/82c1495a-a1b2-4dc1-998d-57e898210b4d
• Microsoft Unusual Account Activity for email accessed in Thunderbird. - Microsoft Community
  https://answers.microsoft.com/en-us/windows/forum/all/microsoft-unusual-account-activity-for-email/1f410dc0-69fc-4b18-abf1-f885329de572
• Unusual activity - Microsoft Community
  https://answers.microsoft.com/en-us/outlook_com/forum/all/unusual-activity/0770ac5c-7053-4ec0-ab65-4af4ae45cae6