WebMar 20, 2024 · During the past weeks there’s been numerous reports about an increase in malicious users attacking Office 365 utilizing legacy protocols such as IMAP4 and POP3. ... Hopefully Microsoft will address this, but in the meantime this is how you can disable POP and IMAP for future mailboxes being created as well as mailboxes already created in ...
POP, IMAP, and SMTP settings - Microsoft Support
WebNov 30, 2024 · To get started, open a Microsoft Office app. When it opens up click File > Options. When the Options menu opens, make sure to have the General tab on the left selected. Then under the “User Interface options” section click the dropdown menu next to “ScreenTip style.”. Change it to “Don’t show ScreenTips.”. Enable or disable POP3 for an Exchange Online mailbox. To enable POP3 for a specific user, run the following cmdlet: Set-CASMailbox -PopEnabled $True To disable POP3 for a specific user, run the following cmdlet: Set-CASMailbox -PopEnabled $False See more scarlett moffatt weight loss and gain
OfficeDocs-Support/pop3-imap-owa-activesync-office-365.md at …
WebNov 21, 2016 · RE: How do i disable IMAP and POP3 on tenant level? To add to Vasil's comment, here is the article that discusses this. As you can see at the bottom, they recommend PowerShell. WebStep 2: From the Microsoft 365 admin center dashboard, go to Admin > Exchange. Step 3: Navigate to Recipients > Mailboxes. Step 4: Select the user for which you want to enable or disable POP3 or IMAP, and then click Edit icon. Step 5: In the User Mailbox dialog box, in the console tree, click Mailbox Features. Step 6: Under Email Connectivity ... WebJun 14, 2024 · Create a conditional access policy for the users and cloud apps you want to control. In the Client Apps section of the policy you can select Other clients (see screenshot above), which includes legacy and basic authentication apps that use protocols such as POP and IMAP. You can use a conditional access rule to block legacy apps, but it’s not ... scarlett moffatt youtube