espocrm-base/application/Espo/Resources/metadata/clientDefs/GroupEmailFolder.json

{
    "controller": "controllers/record",
    "recordViews": {
        "list": "views/group-email-folder/record/list"
    },
    "searchPanelDisabled": true,
    "massUpdateDisabled": true,
    "mergeDisabled": true,
    "massRemoveDisabled": true,
    "relationshipPanels": {
        "emails": {
            "select": false,
            "create": false,
            "rowActionsView": "views/record/row-actions/remove-only",
            "unlinkDisabled": true
        }
    }
}