Is there a way to find the source of IP poking connection?

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zipswich
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Joined: Thu Aug 29, 2019 4:45 pm

Is there a way to find the source of IP poking connection?

Post by zipswich » Thu Aug 29, 2019 8:49 pm

The SMTP log has the following type of entry every few seconds:

Code: Select all

08/29/19 13:42:33	ME-I0135: Authenticating User:americus@mydomain.com using Authentication Provider Credentials failed (unknown user)
08/29/19 13:42:35	ME-I0074: [1200] (Debug) End of conversation
It means that there are tens of thousands of them every day. Is there a way to find out the source IP of them?

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