Mail flow between server is not working – E2K7


Recently i’ve encountered a problem that i was not able to send and receive emails between two sites where E2K7 is installed
  • You would get the following error
Event Type: Error
Event Source: MSExchangeTransport
Event Category: SmtpReceive
Event ID: 1035
Inbound authentication failed with error LogonDenied for Receive  connector Default XXXXXXXXX. The authentication mechanism is  Gssapi. The source IP address of the client who tried to authenticate to Microsoft Exchange is
  • Enable the verbose logging for the receive connector on the receiving site and send a test email from the other site.
If the SMTP-Receive log shows “235 Authenication failed”
  • The Time difference between the DC and Exchange server
  • Authenticated users is not listed in the local security group on the Exchange server
  • Synchronize the time between the DC and the exchange server
  • Add the authenticated users to the “Access this computer from the network” under local security policy

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