Just in case you still run Ubuntu 22.04 LTE, as I do, and run into this problem, at least I managed to make my Evolution mail work. Online Accounts in Settings still show "no internet connection", but Evolution connects to the configured mail server, and downloads emails.
In my case, although I use netplan (systemd-networkd.service) to configure my networking, NetworkManager.service was also active and running. I stopped NetworkManager.service and deactivated it, and now Evolution works. I wonder how NetworkManager got activated, because I disabled it when I started using netplan, perhaps during one of the numerous updates. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/2033099 Title: Ubuntu falsely reports "No Internet" Status in network-manager package in Ubuntu: Confirmed Bug description: A number of Ubuntu parts report "No Internet" which is obviously untrue as I'm filling out this bug report from that very machine. E.G., trying to add an online account is impossible and software updater won't show me the information of the packages it wants to update. Even though software updater claims there is no internet, it then goes on and updates the packages from the Internet. So something is seriously wrong with Internet presence detection, and it prevents me from doing a number of things that should just work. It happens in many places, so I can't specify a package. Description: Ubuntu 22.04.3 LTS Release: 22.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/2033099/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp