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In the iR use the Ping function-
If ping is successful, then you know the machine has the ability to reach the server
If ping was unsuccessful, confirm that name resolution is working , do this by pinging
the computer name of any PC on the network.
If unable to ping computer name confirm DNS address, do an ipconfig /all on a nearby PC and confirm settings.
If the SMTP is outside of the local network, the router or domain controller may be preventing access to the internet.
Confirm this by pinging any know internet address like Error
If unsuccessful; to rule out the router> set the machine for DHCP reboot and let the machine take an address from the router/dhcp server.
Confirm all the other settings and test again.
If successful then you must have the IT person assign an exception for the machine in the Router Firewall or assign an isolation for the machine by
MAC Address.
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