Earlier quoted context omitted.
I’m confused why cron jobs would be sending emails to root@hpe.com?
Cronjobs often run as root. If the host has is configured to send emails when a cronjob is completed it will default to sending it to user@domain where the user is the user the cronjob runs as, and the domain is what was configured in the cron configuration.
This is an important distinction because if you have configured mail forwarding, your cron jobs should be configured to output only on error.. then any emails are actionable.