Event ID - 2000

Event Id2000
SourceMSExchangeIMC
DescriptionA new TCP/IP SMTP connection has been received from host <FQDN>. Logfile: <none>.
Event InformationIf you enabled diagnostic logging for Internet Mail Service, this event will be generated each time a remote host establish an SMTP connection with Internet Mail Service.
From a newsgroup post:
You have turned on SMTP Interface diagnostic logging on the InternetMailServer and it is doing what it is supposed to do. If you do not need it, turn it off (restart IMS after making changes).
Reference Links

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.