I found a email about AT&T account

I found an email about his at&t; account in the trash of his email we have Verizon I had no idea about this, I know this is a mans group so I want a mans opinion why would he have this it has to be another phone right and if so he must be hiding something right?

also if anyone could tell me if and how I could access this account I would appreciate it thanks from a very upset pregnant wife probably soon to be ex

I also found these sites in there too I clicked the link and this is what I found

I have brought this up but he is denying both of these things are his, how would he get emails and they don't just set up accounts like that for you with your normal pw either

also would like to add this isn't the first time I've found him on these stupid hook up sites, I know in should leave but I just can't and he keeps insisting he's never cheated so is there any other reason as a guy that you'd use these websites I mean it can't be for porn surely there are better sites for that