said: 550 5.7.1 Sender ID (PRA) Not Permitted (in reply to e

said: 550 5.7.1 Sender ID (PRA) Not Permitted (in reply to end of DATA command)

和 DNS SPF 有关

-all 改 ~all 试试

如果对方是 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 要换成被退的 Domain