Managed Atlassian accounts for Trello
Being managed means your account is from a domain that has been claimed by an Atlassian organization.
Atlassian administration
Connect Trello to your Atlassian organization for advanced user management and single sign-on.
How to manage Trello in your organization
Manage Trello usage within your organization.
Configure SSO for Trello with Atlassian Guard
Configure SSO for Trello via Atlassian Guard.
Manage Shadow IT in Trello
Atlassian Administrators can configure product request settings for Trello, requiring admin review when managed users attempt to sign up to Trello.