Creating a mass email to contacts

Creating a mass email to contacts

Howdy,
Sorry, I am new to Zoho but just signed up to the professional version.  I have a list of contacts - circa 300 that I met at a trade show that I need to send a bulk email to. The contacts have been loaded, I've created the email template but the template is not available for selection when I select the clients to email from the main Contacts tab.  I'm sure it must be easy but I can't for the life of me figure out how to do it. Any help greatly appreciated. TIA Adam