 
  
  var confirmationLink = Url.Action(nameof(ConfirmEmail), "Account", new { token, email = user.Email }, Request.Scheme); 
  
  public SomeService(IUrlHelperFactory urlHelperFactory,
                   IActionContextAccessor actionContextAccessor)
{
    var urlHelper =
        urlHelperFactory.GetUrlHelper(actionContextAccessor.ActionContext);
}