I understand free service costs the company their resources and it is normally used as a marketing tool to expand business. Having the possibility to have 2000 subscribers and send
it's the payed version of Google's free services ! if you don't believe me get a look at http://zoho.com/planner << you may have click on "blog" to see some screenshots ...
Their customer service is horrible. To talk to billing or their compliance team (which approves your account so that you can mail) you must correspond via email. No live chat, ...