Whereas as over confidence can often be a turn off in a first message.
Using the words, gets better results when sending a first message to a woman but not so to a man.
You could always spruce it up a bit and go with a foreign greeting, but make sure you know what it means otherwise you could come off looking like a bit of a Del boy.
Theirs might be the most beautiful smile in the world, but pointing that fact out in a first message will most likely be a turn off.
The words (if you can call them that) are the top nine worst words to use in an opening message.