Subject: Private Invite: friend@example.com

Hi Friend,

It's your lucky day, because I've managed to get you a private invite for this:

Private Invite: 5K Betting System

This service is run by a punter name Ben Cross.

Ben has uploaded proof of every bet he's placed since August.

Please note: Your Invite may expire if you do not use it within 48 hours.

Kindest Regards
Lewis Carnegie