Email analytics

{
    "recipients": 100,
    "deliveries": 99,
    "opens": 50,
    "clicks": 25,
    "temporary_failures": 1,
    "permanent_failures": 2,
    "unsubscriptions": 3,
    "complaints": 1,
    "survey_responses": 0,
    "webmentions": 0,
    "page_views__lifetime": 0,
    "page_views__30": 0,
    "page_views__7": 0,
    "subscriptions": 0,
    "paid_subscriptions": 0,
    "replies": 0,
    "comments": 0
}