I set up MS Exchange 2010, but I am not able to send emails. I am encountering a 4.4.0 DNS query failed error. Any idea about the resolution.
How To Fix The 4.4.0 DNS Query Failed In MS Exchange 2010?
You can get the 4.4.0 DNS query failed error when you could not set up the MS Exchange properly. Here is an easy fix –
a. Open the Exchange server.
b. Open Properties.
c. Go to External DNS lookup.
d. Set the DNS server as 8.8.8.8.
e. Go to Network.
f. Enable the option shown in the image.
g. Save the changes.
h. Restart your application.