Interspire Email Marketer (formerly SendStudio) is web based email marketing and autoresponder software that over 15,000 business owners, digital agencies and web hosting providers use every day to create, send and track profitable email campaigns and autoresponders – either for themselves or for their clients

Demo: www.interspire.com/emailmarketer/demo.php.

Link para Download:

RS: link

DP: link

ZiD: link