I am facing a unique problem. I have 192.168.0.2 server where my GFI mailessential was installed. I have my exchange server 192.168.0.3.
Today we had a crash for the server 192.168.0.2 hence we installed the applicaiton on 192.168.0.4
Now my emails are being received on 192.168.0.4 but they are nor being accepted by my exchange 2010 server.
We are doing the same from IIS SMTP smart host forwarding to 192.168.0.3
When anyone sent emai from outside they get the NDR.
This is an automatically generated Delivery Status Notification. Delivery to the following recipients failed. Network@Mydomain.com Final-Recipient: rfc822;firstname.lastname@example.org Action: failed Status: 5.7.1 Diagnostic-Code: smtp;550 5.7.1 Unable to relay for email@example.com
So i change the setting for the relay to integrated and now i see that everything is stopped in the QUE folder on 192.168.0.2
Please suggest how can i resolve this problem. my production is down.
8/22/2022 - Mon
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