DB_HOST=localhost
DB_PORT=3306
DB_USER=mailadmin
DB_PASSWORD=your-db-password
DB_NAME=mailserver
JWT_SECRET=change-this-secret-in-production

SMTP_HOST=localhost
SMTP_PORT=587
SMTP_USER=
SMTP_PASSWORD=
SMTP_FROM=noreply@localhost
BASE_URL=http://localhost:8080