Within the Auction member database you have to ability to email each registered bidder individually.
Quick Steps: Go to Auction > Members > Email
Adding a Postage Option:
1. Within the Management Console, select Auction from the top menu, then Members from the left menu.
2. Find the member that you wish to email, then click Email next to their name.
3. Choose your preferred template, or leave it as Blank Template, then click Next.
4. Fill out the details for your email, then click Send Email.
Email Templates allow you to have already set up templates for emails that you send regularly to members, and allow you to have the email already branded for your organisation. You can set up email templates in Tools / Email Templates.