GroupMailbox

<a href="https://forumulate.com/reference/forumulate-api-groupmailbox"><img src="https://forumulate.com/reference/_api/public/orgs/046a9bc0-d530-43ae-9bae-af7945008cda/spaces/8042f004-e3d9-445f-b7a4-b6c1f86836e6/pages/26aa3004-88d2-4554-a84f-4032b55c6087/social-card.svg?v=3e7ae33eec8b" alt="GroupMailbox" width="600" height="315"></a>