Really, once you are unemployed and looking for a job, it’s too late to do anything to stand out. The time to do something to standout is while you are working.
How will emailing someone directly help if he doesn’t have a unique set of skills that helps him stand out? If he is just another generic developer (no offense intended I don’t know anything about him and that’s how I would have described myself until 5 years ago) why would emdilokb