Today I noticed a problem when I use Thunderbird to check my email on my
Kubuntu 18.04 box. I got the following error in Thunderbird: Failed to
connect to imap.comcast.net However it will connect to
imap.comcast.net. I also couldn't ping imap.comcast.net.
delboy@ladmo:~$ ping imap.comcast.net
ping: imap.comcast.net: Name or service not known
delboy@ladmo:~$
In Network manager I have the following DNS servers in this order:
192.168.1.4 192.168.1.1, 8.8.8.8 8.8.4.4. I found this in /etc/resolv.conf
# Generated by NetworkManager
nameserver 127.0.0.53
If I change 127.0.0.53 to one of the DNS servers I have in Network
Manager, Thunderbird works again, but I'm not able to ping
imap.comcast.net. I get the same error I mentioned earlier. I really
don't care if I can ping it or not as long as Thunderbird can connect to
it. However when I reboot or restart Network Manager, resolv.conf goes
back to 127.0.0.3.
Is there some bug with Network Manager or has comcast manged to screw up
something?
thanks
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