Error in processing. 451 4.7.0 Temporary server error. Please try again later. PRX4
pavan kumar
371
Reputation points
hi,
i am receiving the above error in Exchange 2016 Cu22 for SMTP relay where our internal application is sending an email to external.
not sure what could be the problem. it is intermittent.
any suggestions towards resolution is appreciated.
Thanks in advance.
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