For sending emails by way of cron jobs was eradicated and now Symfony Messenger is used instead. Use this command to start a consumer: bin/console messenger:consume email. Check the cron Work documentation for more aspects. Eradicated email configuration through the installation interface: As Email environment may be established with the https://edgaruivgr.gigswiki.com/4953865/detailed_notes_on_mautic_email_marketing