NTFY.SH
curl \
-H "Email: MYCORREO@MYCORREO.COM" \
-H "Tags: warning,skull,backup-host,ssh-login" \
-H "Priority: high" \
-d "Unknown login from 5.31.23.83 to backups.example.com" \
ntfy.sh/alerts
curl -H "Email: MYCORREO@MYCORREO.COM" -d "You've Got Mail" ntfy.sh/alerts
curl -d "You've Got Mail" "ntfy.sh/alerts?email=MYCORREO@MYCORREO.COM" ntfy.sh/alerts