In the EAC, go to Recipients > Mailboxes. Enable or disable POP3 or IMAP4 access to a single mailbox Use the EAC to enable or disable POP3 or IMAP4 access to a mailbox Having problems? Ask for help in the Exchange forums.
To see what permissions you need, see the "Recipient provisioning permissions" section in the Recipients Permissions topic.įor information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard shortcuts in the Exchange admin center.
You need to be assigned permissions before you can perform this procedure or procedures. This limitation was intentionally included in Exchange 2016 and Exchange 2019 to enhance the security of the Administrator mailbox. The procedures in this topic don't apply to the Administrator mailbox, because you can't use POP3 or IMAP4 to connect to the Administrator mailbox. To open the Exchange Management Shell, see Open the Exchange Management Shell. To open the Exchange admin center (EAC), see Exchange admin center in Exchange Server. What do you need to know before you begin? You can use the procedures in this topic to disable POP3 and IMAP4 access to specific mailboxes.įor more information about POP3 and IMAP4, see POP3 and IMAP4 in Exchange Server. After you enable and configure POP3 or IMAP4 on an Exchange server as described in Enable and configure POP3 on an Exchange server and Enable and configure IMAP4 on an Exchange server, all user mailboxes (with the exception of the Administrator mailbox) can be accessed by using POP3 or IMAP4.