said: 550 5.7.1 Sender ID (PRA) Not Permitted (in reply to end of DATA command)
和 DNS SPF 有關
-all 改 ~all 試試
如果對方是 Exchange Server
https://support.hpe.com/hpesc/public/docDisplay?docId=c01975831&docLocale=en_US
not from source.com
So ran the following command to bypass SenderID filter verification at Destination side.
bypass SenderID filter verification at Destination side.
下命令
Set-SenderIDConfig -BypassedSenderDomains source.com
source.com 要換成被退的 Domain
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