Every day real estate agents send numerous emails to clients, coworkers, friends and family. Every email sent presents an opportunity to engage people and interest them in your business. Though it costs nothing to create and the time investment is negligible, email signatures are one of the most under used marketing tools in real estate. In this guide you will find the Seven Key Components of a Strong Email Signature, the Four Biggest Mistakes Real Estate Agents made and tips for engaging your audience.