If I get such a request from someone I don't know, I will direct them to the public job board. I'm very happy to refer and vouch for someone that I've actually

If I get such a request from someone I don't know, I will direct them to the public job board. I'm very happy to refer and vouch for someone that I've actually worked with (and look forward to working with again), but I'm not vouching for some random stranger...