How to set up alerts when something breaks

Updated 7/20/2026

You cannot watch graphs around the clock. Alerts warn you automatically when a metric crosses a threshold or a service goes down.

What is worth alerting on

Simplest, Uptime Kuma sends alerts when a service goes down, see uptime monitoring.

Telegram is popular for instant alerts. You create a bot, get the token and chat ID, then most tools (Uptime Kuma, Grafana) can send to it.

For email, you need working SMTP settings, see sending email over SMTP. Make sure alerts do not land in spam by configuring SPF, DKIM and DMARC.

Too many alerts become noise and you ignore them. Alert only on things that truly need action.

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