Mailboxes

Understand mailbox status and health

What each status means and what to do about it.

StatusMeaningWhat to do
PendingConnected but not yet verified with a test send.Send a test email and verify.
ConnectedAuthorised and sending normally.Nothing.
Action requiredAuthorisation expired or was revoked, or repeated failures were detected.Reconnect the mailbox. Sending is paused until you do.
DisconnectedYou removed it, or the provider revoked access.Reconnect, or assign campaigns to another mailbox.
RestrictedYour provider has limited or suspended sending from this mailbox.Resolve it with your provider. We will not route around a provider restriction.

Health

HealthMeaning
HealthyAuthentication is valid, failures are low and the bounce rate is within threshold.
DegradedThe bounce rate has crossed the warning threshold, or failures are rising. Sending continues, and you are notified.
UnhealthyThe bounce rate has crossed the pause threshold. Sending is paused to protect your reputation.
UnknownNot enough recent activity to judge.
Bounce thresholds are configurable by our team. The shipped defaults are a warning at 5% and a pause at 10% of recent sends.