How to recreate System Mailbox , FederatedEmail & DiscoverySearchMailbox in Exchange 2010
http://technet.microsoft.com/zh-cn/library/bb201691(v=exchg.150).aspx
& $env:ExchangeInstallPath\Scripts\Install-AntiSpamAgents.ps1
Restart-Service MSExchangeTransport
Set-TransportConfig -InternalSMTPServers @{Add="10.0.1.10","10.0.1.11"}
然后，再用SET配置相关过滤器。
~~~~~~~~~~~~~~
http://technet.microsoft.com/zh-cn/library/bb124087.aspx
若要启用发件人筛选，请运行以下命令：
Set-SenderFilterConfig -Enabled $true
此示例将配置发件人筛选器代理，以阻止未在 MAIL FROM: SMTP 命令中指定发件人的邮件：
Set-SenderFilterConfig -BlankSenderBlockingEnabled $true