修改LimitMessagesSent策略规则的每天/每分钟发送量为1000和30
Set-ThrottlingPolicy -Identity LimitMessagesSent -RecipientRateLimit 1000 -MessageRateLimit 30
查看LimitMessagesSent策略规则中的参数值
Get-ThrottlingPolicy "LimitMessagesSent"
删除策略规则LimitMessagesSent
Remove-ThrottlingPolicy -Identity LimitMessagesSent