A Linux server's own email solution can be used to receive alerts about LinuxGSM.
Sending emails
LinuxGSM will send an email using the mail command.
Postfix or equivalent must be setup and correctly configured before sending emails. Failure to correctly configure Postfix and a domain for your server will mean the email alert may be flagged as spam or not arrive at all. Configuring postfix is not covered here, but there are many tutorials online to help.
Mailgun is a paid service with 3 month free trial that can be used as an email relay to reduce the chances of email alerts being blocked as spam.
Enable Email alerts
To enable email alerts you will need to add an email address to the LinuxGSM config.
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