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How to Enable or Disable POP3 Access for Exchange 2010 Mailboxes

When you are using POP3 for Exchange Server 2010 you may wish to enable or disable it for specific mailbox users in your organization.

You can determine if a mailbox is enabled or disabled for POP3 using the Get-CASMailbox cmdlet.

[PS] C:\>Get-CASMailbox teo.nguyen

Name                 ActiveSyncEnabled OWAEnabled           PopEnabled          ImapEnabled         MapiEnabled
----                 ----------------- ----------           ----------          -----------         -----------
John Smith           True              True                 True                True                True

To disable POP3 for a mailbox user use the Set-CASMailbox cmdlet.

[PS] C:\>Set-CASMailbox teo.nguyen -PopEnabled:$false

To enable POP3 access again run the same command with a value of $true.

[PS] C:\>Set-CASMailbox teo.nguyen -PopEnabled:$true

You can also enable or disable POP3 for multiple mailboxes at a time. For example to disable POP3 on all mailboxes run this command.

[PS] C:\>Get-Mailbox | Set-CASMailbox -PopEnabled:$false

Of course it may be easier to just disable POP3 entirely, but in some cases you might want a few people to still have access to it.

To find all mailbox users with POP3 enabled use this command.

[PS] C:\>Get-CASMailbox | where {$_.PopEnabled -eq $true}

Name                 ActiveSyncEnabled OWAEnabled           PopEnabled          ImapEnabled         MapiEnabled
----                 ----------------- ----------           ----------          -----------         -----------
teo.nguyen            True              True                 True                True                True
ti.nguyen           True              True                 True                True                True

 

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