Earlier quoted context omitted.
I’m confused why cron jobs would be sending emails to root@hpe.com?
IIRC cron writes stdout to the local mail spool ( @localhost). If the server is configured correctly, with an SMTP service for the domain, these emails are basically forwarded to @ In practice, I have never seen a Linux server with an actual SMTP server configured correctly in 20 years, so the worst that usually happens is that cronjobs never actually leave the machine. You used to get a mail notification when you lo…
In my case, I configured Postfix to redirect all mails looking like (root|admin|postmaster)@server to myemailaddress+(root|admin|postmaster)_server@domain and Postfix ignores what comes after the + in the user part. So I get all the emails but I still know where they come from. It has worked well for quite some years now but I'm not deluding myself, I know that at some time, that will rot too.