I get an email with the following message each day:
Final-Recipient: rfc822; email@example.com Action: failed Status: 5.0.0 Diagnostic-Code: smtp; The email account that you tried to reach does not exist. Please try double-checking the recipient's email address for typos or unnecessary spaces. Learn more at https://support.google.com/mail/?p=NoSuchUser m80sor786079wmg.52 - gsmtp Last-Attempt-Date: Wed, 18 Apr 2018 23:32:30 -0700 (PDT)
---------- Doorgestuurd bericht ---------- From: Cron Daemon To: firstname.lastname@example.org Cc: Bcc: Date: Thu, 19 Apr 2018 06:32:28 +0000 (UTC) Subject: Cron test -x /usr/sbin/anacron || ( cd / && run-parts --report /etc/cron.daily ) /etc/cron.daily/apt: WARNING: The following packages cannot be authenticated! google-compute-engine google-compute-engine-jessie google-config-jessie
If I am right, it is about packages that should be updated, making the system trying to send an email to email@example.com, but this email does not exist.
Do you think I can solve the problem by updating the packages?