Event ID - 427

Event Id427
SourceSMTPSVC
DescriptionVirtual Server %1: The specified smart host is not valid. Smart host delivery is not available for this session.
Event InformationCheck the value for the smart host and reset it if necessary. The computer running the SMTP service may need to be restarted. Check the disk for corruption. Setup may need to be rerun. (For more information, see the Internet Information Services (IIS) documentation.)
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