HOSTNAME=mail.mydomain.com >> iredmail-docker.conf
FIRST_MAIL_DOMAIN=mydomain.com >> iredmail-docker.conf
FIRST_MAIL_DOMAIN_ADMIN_PASSWORD=my-secret-password >> iredmail-docker.conf
MLMMJADMIN_API_TOKEN=$(openssl rand -base64 32) >> iredmail-docker.conf
ROUNDCUBE_DES_KEY=$(openssl rand -base64 24) >> iredmail-docker.conf