Configure POP3 in Exchange 2007

These are pre-SP1 instructions.  POP3 is supported in Exchange 2007 but not turned on by default.  To turn it on (from the management shell):

1) Enable the service:      Set-Service msexchangepop3 -StartupType automatic
2) Start the service:         Start-Service msexchangepop3
3) Enable POP3 for mailboxes:     Set-CASMailbox -identity mailboxname -PopEnabled $true
4) OPTIONAL To enable plain-text authentication:     Set-PopSettings -LoginType PlainTextLogin
5) If you did number 4 then restart the service: restart-service msexchangepop3