Hi,
We received the below error message in particular domains.
"451 4.4.0 Primary targeted IP address responded with: "421 4.2.1 Unable to connect." Attempted failover to alternate hosts, or delivery failed to alternate hosts.
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Channel:
Exchange Server 2013 - Mail Flow and Secure Messaging forum
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Channel Details:
- Title: Exchange Server 2013 - Mail Flow and Secure Messaging forum
- Channel Number: 13678843
- Language: English
- Registered On: May 18, 2013, 4:42 am
- Number of Articles: 4169
- Latest Snapshot: August 4, 2020, 8:25 pm
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- Description: Welcome to the Exchange Server 2013 - Mail Flow and Secure Messaging forum. If you would like to...
- Catalog: //messaging582.rssing.com/catalog.php?indx=13678843
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