Easy and elegant emails for newsletters or email campaigns. This Atlanta-based company with a quirky sense of humor just keeps adding new features and adding value to their service. Track and perform A/B comparisons to judge the effectiveness of different content, appearance or writing style. Test how your email will look in different browsers on different operating systems including mobiles. They integrate with Google Analytics so you can also get a nice graphic of your email campaign progress. MailChimp offers tools to design the look of your mail, simple but stylish templates with the free accounts or fancier pre-designed templates with their paid accounts. Integrates with other apps including PayPal so you can offer paid subscriptions, and Highrise. Paid accounts start at $10/month. Pay as you go rates are available if you don’t mail often enough to warrant a monthly subscription. Free account for up to 1000 subscribers and up to 6000 emails/month. Seriously, you can’t beat the features or the price, there’s zero risk, just take the plunge and get your message out to your clients.
UPDATE: MailChimp has doubled the size of their free accounts. Now up to 2000 subscribers and up to 12000 emails/month.