If you access your emails on your device using an email app, like Outlook or. However, access works via the web interface. Find out how to sign in to your emails and set up emails on your phone. As a result, he can no longer access his or mailbox via Outlook 2016. Hat his Outlook won't start up anymore and the request for credentials keep coming. He is using Outlook 2013 – and here it could be that he has run into the problem described in the blog post Outlook/Apps failing sending mails? Microsoft has disabled SMTP (July 2022) described problem. It is for sure that MS has some bug in its Outlook service/platform.

Searching for this issue I read that this could be related with 2FA, option that is not active in my account. I can access my account via webmail, but not more in outlook program. Suddenly my Outlook program begun ask me password out of the blue. Using the attribute editor tab in AD users and computers I was able to go in and edit out the space and, viola,Outlook 2016 opens normally. I am having a strange behavior in my account too that can be relate with this issue. Things work in OWA and even in earlier versions of Outlook but not in Outlook 2016 In two cases now weve found that there was a space at the end of the AD account setting for the attribute legacyExchangeDN. Dated July 14, 2022, the individual writes that he is being asked to verify his account. In the Microsoft Answers forum for, I came across this thread while doing some research. I covered the story in the blog post 'account suspensions' due to unusual sign-in activities – is Microsoft's AI running amok, or are accounts compromised? – a solution is still unknown. It then prevents access via POP3 and/or IMAP and locks the account – the user receives a notification. Microsoft's account security monitoring AI often detects unusual activity and access from strange locations. Users who have created a private, free Microsoft account at outlookcom and want to use it for receiving and sending e-mails are also experiencing trouble.

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