You can edit the default email@example.com email address that will appear in the PDF reports emails and all other emails sent by Matomo by editing the configuration file config/config.ini.php, and adding under the
section, the following line:
noreply_email_address = "firstname.lastname@example.org"
All reports by email will now be sent from “email@example.com”
Please note: Changing this setting will change the email address used for all emails sent by Matomo.