INTRODUCTION REQUESTS: WORST TO BEST

How to (and not to) as for introductions over email
  1. 1.
    Can you introduce me to anyone who knows Y?
    Requires so. Much. Thinking.
  2. 2.
    Can you introduce me to someone on this huge list?
    Requires so. Much. Work.
  3. 3.
    Can you introduce me to person X?
    Why? What should I say in the intro?
  4. 4.
    Can you introduce me to person X because I would like to discuss Y?
    Getting better
  5. 5.
    Can you introduce me to person X because I would like to discuss Y? I've written an email below that you can forward along.
    So easy!