Checks if website users has passwords asynchronous.
Collection of string - The email address list.
[ "sample string 1", "sample string 2" ]
[0]=foo&[1]=bar
Collection of HasPasswordResult -
[
{
"EmailAddress": "sample string 1",
"HasPassword": true
},
{
"EmailAddress": "sample string 1",
"HasPassword": true
}
]