Can't re-setup email

[ianhyzy]

I had my email on a different domain that I let expire, but I can't switch it back to my original email domain - I get

Sep 21 14:13:50 box:network/generic getIPv4: Error getting IP. Error: getaddrinfo EAI_AGAIN ipv4.api.cloudron.io at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:107:26) { errno: -3001, code: 'EAI_AGAIN', syscall: 'getaddrinfo', hostname: 'ipv4.api.cloudron.io', response: undefined, retries: 2 }
Sep 21 14:13:50 box:taskworker Task took 60.122 seconds
Sep 21 14:13:50 box:tasks setCompleted - 12718: {"result":null,"error":{"stack":"BoxError: Unable to detect IPv4. API server (ipv4.api.cloudron.io) unreachable\n at Object.getIPv4 (/home/yellowtent/box/src/network/generic.js:40:15)\n at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n at async Object.getIPv4 (/home/yellowtent/box/src/network.js:155:12)\n at async Object.registerLocations (/home/yellowtent/box/src/dns.js:249:18)\n at async changeLocation (/home/yellowtent/box/src/mailserver.js:277:5)","name":"BoxError","reason":"External Error","details":{},"message":"Unable to detect IPv4. API server (ipv4.api.cloudron.io) unreachable"}}
Sep 21 14:13:50 box:tasks update 12718: {"percent":100,"result":null,"error":{"stack":"BoxError: Unable to detect IPv4. API server (ipv4.api.cloudron.io) unreachable\n at Object.getIPv4 (/home/yellowtent/box/src/network/generic.js:40:15)\n at process.processTicksAndRejections (node:internal/process/task_queues:95:5)\n at async Object.getIPv4 (/home/yellowtent/box/src/network.js:155:12)\n at async Object.registerLocations (/home/yellowtent/box/src/dns.js:249:18)\n at async changeLocation (/home/yellowtent/box/src/mailserver.js:277:5)","name":"BoxError","reason":"External Error","details":{},"message":"Unable to detect IPv4. API server (ipv4.api.cloudron.io) unreachable"}}
[no timestamp]  Unable to detect IPv4. API server (ipv4.api.cloudron.io) unreachable

What's going on? I have a server on Hetzner if that matters (I remember they had some weird gotchas with email)

[ianhyzy]

Is this why (loading the dashboard does still work)?

root@Ubuntu-2204-jammy-amd64-base ~ # cloudron-support --troubleshoot
[OK] node version is correct
[OK] docker is running
[OK] MySQL is running
[OK] nginx is running
[OK] box is running
[OK] unbound is running
[FAIL] Could not load dashboard domain.
Hairpin NAT is not working. Please check if your router supports it

[joseph]

@ianhyzy can you try host ipv4.api.cloudron.io on the server? It seems maybe DNS is not working .

[ianhyzy]

@joseph
Yeah it doesn't work

root@Ubuntu-2204-jammy-amd64-base ~ # host ipv4.api.cloudron.io
;; communications error to 100.100.100.100#53: timed out
;; communications error to 100.100.100.100#53: timed out
;; no servers could be reached

it's very weird because I can still access the server and a lot of the apps still work. I did have tailscale installed previously but I uninstalled it when this happened

[joseph]

@ianhyzy is 100.100.100.100 just a dummy output you posted? Or is that a real DNS server?

But looks like the DNS on the server is not working. I think you will find that the App Store view of Cloudron most likely does not work either.

Can you check https://forum.cloudron.io/topic/12300/how-to-change-dns-settings-of-my-server and https://forum.cloudron.io/topic/12300/how-to-change-dns-settings-of-my-server ?

[ianhyzy]

yeah tailscale didn't change the file when it got removed, I'm assuming it was the dummy address it uses for something. I changed it to this and it worked

# resolv.conf(5) file generated by tailscale
# For more info, see https://tailscale.com/s/resolvconf-overwrite
# DO NOT EDIT THIS FILE BY HAND -- CHANGES WILL BE OVERWRITTEN

nameserver 127.0.0.1

[ianhyzy]

Ok weird, this worked, I backed up apps and updated to Cloudron 8 but it's not working again. that file didn't change. I set it to google's public DNS and it was fine - I reinstalled tailscale and set override DNS to true which I think should fix it and let me keep using TS