Grave warning about undergroundnewsreport: https://voat.co/v/pizzagate/1668938
In addition, I cannot locate the email in question, which I might add is curiously taken from a photo of a computer screen and not linked from the email itself: https://search.wikileaks.org/?query=&exact_phrase=hotdogs+can+come&any_of=&exclude_words=&document_date_start=&document_date_end=&released_date_start=&released_date_end=&new_search=True&order_by=most_relevant#results
Judging from the appearance of the WikiLeaks page I would also say this is almost certainly fraudulent. Beware!