> ## Documentation Index
> Fetch the complete documentation index at: https://developer.lemlist.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Deliverability incident

A deliverability incident records one problem on one of your mailboxes: a DNS issue that locks sending, a mailbox disconnected from lemlist, a mailbox disconnected while warming up, or a warm-up paused by lemwarm.

It opens as `active` when the problem is detected and becomes `resolved`, with a `resolvedAt` date, once the mailbox recovers. List them with [List Deliverability Incidents](/api-reference/endpoints/deliverability-alerts/list-incidents).


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