We have addressed the issue causing messages to be stuck in transport queues of on-premises Exchange Server 2016 and Exchange Server 2019. The problem relates to a date check failure with the change ...
Updated Jan 11, 2022
Version 36.0
Blog Post
I continue to have problems with my server exchange 2019. After running the fix, even though everything went well, you still don't get mail. I am able to send to both internal and external users but I cannot receive from external contacts. Mail stops in the queue and cannot be distributed to individual mailboxes I don't know what to feel anymore. The version of the malware update is the latest available to date.
This is error relayed in logs file:
Message or connection acked with status Fail and response 554 5.4.4 SMTPSEND.DNS.NonExistentDomain; nonexistent domain internalproxy -> DnsDomainDoesNotExist: InfoDomainNonexistent
451 4.7.0 Temporary server error. Please try again later. PRX2
Can you help me?