Render-link.html help need

support
3

You could do something like

{{ $do := false }}
{{ $destination := .Destination }}
{{ $dofollow := .Page.Params.dofollow }}
{{ range $dofollow }}{{ if (in ($destination) .) }}{{ $do = true }}{{ end }}{{ end }}

{{ if (or (in (.Destination) "mydomain.com") $do  )  }} 
...