Open the “New SMTP Receive Connector wizard”
Click Properties of Connectors,
Click Permissions, and others,
Select annonymous
Save
After open terminal write this TESTED !!!
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[PS] C:\Windows\system32>Get-ReceiveConnector "dconnector" | Add-ADPermission -U ser "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "ms-Exch-SMTP-Accept-Any-Reci pient" |
OUTPUT
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Identity User Deny Inherited Rights -------- ---- ---- --------- ------ WIN- .. NT AUTHORITY\ANON... False False ms-Exch-SMTP-Accep... |
You need to do this for all of connectors, PORT 25 and 587