I receive this message in the browser after entering username and password.
Is this the default installation or are you using a custom domain via NGINX (possibly with a reverse proxy in front of it?).
In any case, NGINX logs would be good to have!
docker-compose logs -f then try to access the site and post the logs displayed
docker-compose logs -f
The Mailcow is behind a traefik. this stop working with the April update.
I already checked and modified the mail-nginx proxy buffers values, but I still can’t get it to work.
I found the workaround to solve this issue
i create a middleware on Traefik, dynamic file
then call on the docker-compose.overrride.yml