[support] Add a redirect to every outgoing link to a certain domain?

[Dale McGladdery]

On 3/8/07, Mattias Hällkvist <mattiasha at gmail.com> wrote:
> Is there a way to add a redirect to every outgoing link to a certain domain.
> So every link to domain x.com with be:
>
> redirect.com/?x.com

In a blog post Greg Knaddison described a filter module he wrote that
will automatically add a nofollow attribute to specific domain links:

  http://knaddison.com/drupal/just-say-no-follow-wikipedia-links

You might be able to modify it to meet your requirements.