espocrm-base/application/Espo/Resources/metadata/entityDefs/EmailAddress.json

{
    "fields": {
        "name": {
            "type": "varchar",
            "required": true
        },
        "lower": {
            "type": "varchar",
            "required": true,
            "index": true
        },
        "invalid": {
            "type": "bool"
        },
        "optOut": {
            "type": "bool"
        }
    },
    "links": {
    },
    "collection": {
        "sortBy": "name",
        "asc": true
    }
}