What gets created
One row inalert_channels:
It lives in Settings → Alerts → Channels and looks exactly like a hand-made email channel. There’s no special badge.
How it stays in sync
The sync is driven by organization hooks, keyed on the exact nameDefault Alerts.
1
A member joins
Their email is appended to the recipient list. The append is idempotent, so a duplicate invite can’t add a duplicate recipient.
2
A member leaves
Their email is pruned. The list always reflects the current roster.
3
You rename the channel
Sync stops the instant the name is anything other than
Default Alerts. Renaming is the opt-out signal (see below).Take it over manually
Three ways to stop the auto-sync, depending on what you want:Rename it
Change
Default Alerts to anything else. The hook keys on the exact name, so from that moment it’s a normal, hand-managed email channel.Disable it
Flip Enabled off. The channel stays and keeps syncing recipients, but the dispatcher skips it. Good if you want the list kept warm for a later re-enable.
Delete it
Remove it outright. New members stop getting added. The hook only fires on workspace creation, so getting it back means recreating an email channel yourself.
When to outgrow it
Default Alerts is convenient for a small team where everyone should see everything. Larger teams usually move on for one of these reasons:- Noise. Every alert in every inbox is fine at three people. At thirty it’s unread by default.
- Per-monitor routing. Billing monitors should reach billing engineers, not everyone. Use a dedicated email channel per audience, bound through an escalation policy.
- Off-hours. The team feed goes quiet at night and only on-call should be paged. Hand that off to PagerDuty.
What the alert looks like
A standard incident email. The body names the monitor, the regions that detected the failure, when it started, the last error and status code, and a deep link back to the incident. AList-Unsubscribe header (RFC 8058) is set so inbox providers can offer one-click unsubscribe, though most leave transactional alerts in place.
Recipients are not bcc’d. Everyone is in the
to field of one Resend send, so each recipient can see who else got the alert. If you need to hide that, put those addresses on their own channel.