Exchange2010SP2获取邮件传递限制中的仅限以下列表中的发件人列表
Get-DistributionGroup | where {$_.AcceptMessagesOnlyFrom -ne $null -or $_.AcceptMessagesOnlyFromSendersOrMembers -ne $null -or $_.AcceptMessagesOnlyFromDLMembers -ne $null} | fl name,AcceptMessagesOnlyFrom,AcceptMessagesOnlyFromDLMembers,acceptmessagesonlyfromsendersormembers