批量为通信组添加RejectMessagesFromSendersOrMembers成员

批量为通信组添加RejectMessagesFromSendersOrMembers成员，此操做不会覆盖原来的配置，只是增长

$groups= Get-DistributionGroup -ResultSize unlimited

foreach($group in $groups) {

$current= $group.RejectMessagesFromSendersOrMembers

$current+= 'RejectSendEmailToGroup'

Set-DistributionGroup$group -RejectMessagesFromSendersOrMembers $current

若是想直接覆盖原来的配置可以使用如下脚本

$RejectGroupOrUser="RejectSendEmail"

Get-DistributionGroup  | foreach{Set-DistributionGroup -Identity $_.name -RejectMessagesFromSendersOrMembers $RejectGroupOrUser}