Thinksquared MailPal lets you send bulk customized emails to keep in touch with your friends or customers. MailPal's features include a built-in address book to organize your contacts, a CSV import facility to let you use your existing contacts, any number of custom fields for your contacts which you can use in your personalized emails. You can also send HTML-formatted emails, and MailPal's tabbed layout and intuitive controls make it both fun and easy to use. You can use themes to customize MailPal's appearance to suit your taste.