DB_HOST=localhost DB_PORT=3306 DB_USER=mailadmin DB_PASSWORD=MAILADMIN-PASSWORD-HERE DB_NAME=mailserver JWT_SECRET=change-this-secret-in-production ADMIN_USER=admin ADMIN_PASSWORD=admin123 SMTP_HOST=localhost SMTP_PORT=587 SMTP_USER= SMTP_PASSWORD= SMTP_FROM=noreply@localhost BASE_URL=http://localhost:8080