Disable POP3, IMAP and OWA for all Room Mailboxes

This could be performed via the following powershell:

$AllMailBoxes = Get-mailbox -resultsize unlimited | where {$_.RecipientTypeDetails -like "RoomMailbox"}

foreach ($mailbox in $AllMailBoxes)
{
	Write-Host "Disable now features for:"$mailbox.Name -foregroundcolor yellow
	Set-CASMailbox -Identity:$mailbox.Alias -OWAEnabled:$false
	Set-CASMailbox -Identity:$mailbox.Alias -POPEnabled:$false
	Set-CASMailbox -Identity:$mailbox.Alias -ImapEnabled:$false
}