..todo.. - Please contribute more to help others debug this package ## Invalid username or Password 1. Login Container ```bash docker exec -it bash ``` 2. Check log files `/var/log/mail` could not find any mention of incorrect logins here neither in the dovecot logs 3. Make sure you set your hostname to 'mail' or whatever you specified in your docker-compose.yml file or else your FQDN will be wrong 4. During setup, if you get errors trying to edit files inside of the container, you likely need to install vi: `sudo su` `docker exec -it mail apt-get install -y vim`