1。赋权：

Get-mailbox | Add-MailboxPermission -User administrator -Acce***ights Fullaccess
2：删除：
Get-Mailbox -Anr | Export-Mailbox -SubjectKeywords "dddddddddd" -TargetMailbox  -TargetFolder "temp" –DeleteContent -Confirm:$False

3。删除权限：

Get-mailbox | Remove-MailboxPermission -User administrator -Acce***ights Fullaccess