Event ID - 3017

Event Id3017
SourceMSExchangeTransport
DescriptionA non-delivery report with a status code of 5.3.5 was generated for recipient rfc822;User@domain.com (Message-ID <DAAEA583454F0145AE3D3CD522D9293703E8E40C@AFG-NET-EXC.riyadh.afg.com>).
Event InformationAccording to Microsoft:
CAUSE:
This is due to a loop-back situation where the server is configured to loop back on itself and a non-delivery report with a status code of 5.3.5 was generated for recipient.
WORKAROUND:
1. Check the configuration of the SMTP Virtual Server.
2. Check the configuration of the Exchange SMTP Connector.
Reference LinksMessage Delivery in Exchange Server fails with an Event ID 3017 & a NDR with a status code of 5.4.5

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