Exchange 2016 client smtp receive error 550 5.7.60

Copper Contributor

Hi all.

In exchange server 2016 i use some client with imap and smtp autenticated. Some of this account when try to send mail receive this error 550 5.7.60. But other account work fine. Avery one use same receive connector. I try to add permission on receive connector but dosen't work.

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