Easy to create webpage sign up forms and customize emails. Good listing management tools. Good third party integrations such as social media, Salesforce and Google Analytics. Good calendar tool that allows you to see all your email campaigns in one view. Free storage space. Lots of free stock images for ceative emails.
No Autoresponder. No RSS to email. Automated spam check not available. Online archive of all emails together is not available
Two types of pricing plan. The Pay-as-you-go plan charges $0.015/email for up to 1,000 emails. The per email price decreases as the email number grows. The monthly pay charges $10/mo for up to 500 subscribers. The per month price increases as the subscription number grows.