Applies to: Exchange Server 2013, Exchange Online

Topic Last Modified: 2012-10-05

You can enable or disable POP3 for a user.

Note:
After you've enabled or disabled POP3 for a user, you must restart the Microsoft Exchange POP3 service and the Microsoft Exchange POP3 Backend service. For more information about how to restart the POP3 service, see Start and Stop the POP3 Services.

For additional information related to managing user mailboxes, see Manage User Mailboxes.

For additional information related to POP3 and IMAP4, see POP3 and IMAP4.

What do you need to know before you begin?

  • Estimated time to complete: 2 minutes.

  • You need to be assigned permissions before you can perform this procedure or procedures. To see what permissions you need, see the "Recipient provisioning permissions" section in the Recipients Permissions topic.

  • For information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard Shortcuts in the Exchange Admin Center.

Tip:
Having problems? Ask for help in the Exchange forums. Visit the forums at: Exchange Server, Exchange Online, or Exchange Online Protection.

What do you want to do?

Use the EAC to enable or disable POP3 for a user

  1. In the EAC, navigate to Recipients > Mailboxes.

  2. In the result pane, select the user for which you want to enable or disable POP3, and then click Edit Edit Icon.

  3. In the User Mailbox dialog box, in the console tree, click Mailbox Features.

    In the result pane, under Email Connectivity, do one of the following:

    • To disable POP3 for the user, under POP3: Enabled, click Disable.

    • To enable POP3 for the user, under POP3: Disabled, click Enable.

  4. Click Save.

Use the Shell to enable or disable POP3 for a user

This example enables POP3 for the user John Smith.

Copy Code 
Set-CASMailbox -Identity "John Smith" -POPEnabled $true

This example disables POP3 for the user John Smith.

Copy Code 
Set-CASMailbox -Identity "John Smith" -POPEnabled $false

How do you know this worked?

  1. In the EAC, navigate to Recipients > Mailboxes.

  2. In the result pane, select the user for which you want to enable or disable IMAP4, and then click Edit.

  3. In the User Mailbox dialog box, in the console tree, click Mailbox Features.

    In the result pane, look under Email Connectivity.

    • If POP3 is enabled for the user, you will see POP3: Enabled.

    • If POP3 is not disabled for the user, you will see POP3: Disabled.

  4. Click Save.