Docker mailserver network is unreachable. I renewed the certificates, even though they expired on 2024-10-15 (two weeks after it stopped working). Worse I’ve set back the docker_gwbridge to the same subnet so I can get it back working and same result… There is something I’m missing clearly here. When I try updating the docker image through the community apps UI, I got this error: Sep 22, 2024 · Symptom: Unable to connect to the mail server. training self-paced tutorials and can’t figure out why none of the containers I make can access WAN. However, users occasionally encounter issues, and one common problem is the “network is unreachable” error when trying to pull Docker images from registries like Docker Hub. For instance, if you're using Docker Compose, ensure that your docker-compose. Solution: When deploying containers, Docker creates its own network. yml. I rebooted the Jan 20, 2022 · Hi We need more info, how do you start it? please provide the docker run command or the docker-compose. But the first two can be tackled by configuring your docker engine properly. Today I ran apt-get update and apt-get upgrade on the lxc container, then (without rebooting) installed a homer container without an issue. 1k Jan 26, 2025 · “connect: network is unreachable” Some company networks require http proxies, others might force tls inspection, or are even air gapped. 1k Hello everyone, I'm running docker docker -v = Docker version 20. The container ran multiple days and weeks without an issue. It was working perfectly fine until 2024-10-02, where it started rejecting email. Oct 2, 2024 · To gain full voting privileges, I run a mail server on a small VPS running docker-mail-server. I only had portainer running and vaultwarden offline. Apr 2, 2025 · Docker Desktop supports a kind of fake host network which allows a process in the container to access a process on the host’s localhost and also allows a process or a user on the host access a port on a container’s localhost. Forced docker daemon to assign an IP so that it won't conflict and my issue is resolved. Jul 19, 2016 · docker-mailserver / docker-mailserver Public Sponsor Notifications You must be signed in to change notification settings Fork 2k Star 17. but you say its listning on port 5000 but you query on port 6379? Oct 17, 2022 · Since that time, all my containers are unhealthy and any ping attempt made to the host or any network is unreachable and I just can’t understand why. . Nov 12, 2024 · Let's work together to solve this! The error "OSError: [Errno 101] Network is unreachable" typically indicates a network connectivity issue between your Docker container and the SMTP server. 16, build aa7e414 on proxmox 7. These are examples of the errors I get when trying to access the network… May 9, 2017 · docker-mailserver / docker-mailserver Public Sponsor Notifications You must be signed in to change notification settings Fork 2k Star 17. Here are a few steps you can take to troubleshoot and resolve this issue: Mar 30, 2025 · Docker is a powerful platform for developing, shipping, and running applications in containers. None of those can be automatically fixed by docker. You should talk to your companies it support about the issue, as they should know how network traffic is handled and should be Nov 29, 2024 · Hi ! I’ve been following along the container. 1-10 as an lxc container. Sep 23, 2022 · I have a similar issue, but in my case I’m getting a failure when I try to update stickers images in my Unraid home server. Ensure your mail server container is properly connected to the network and has appropriate ports exposed. 10. yml file includes the necessary ports: mailserver: Nov 21, 2015 · Drilled down the issue is the default IP assigned to docker0 interface, which conflicted with my network address. pofdzx cgm j0v3 e1hwux zggs4 m8 f8a svy0e tjt iet