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that domain isn't in my list of allowed rcpt hosts
Question asked by Shoaib Nawaz - 2/16/2024 at 4:30 AM
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Hi,
I am using SmarterMail version 15.7.
I am not able to send an email from Outlook and OWA.
I received the below NDR: 
Reason: Remote host said: 553 sorry, that domain isn't in my list of allowed rcpt hosts; no valid cert for gatewaying (#5.7.1).
Any solution?

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Shoaib Nawaz Replied
2/19/2024 at 3:27 AM
Guys,
Any solution related to my problem, please.
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