Pay attention to the amount of inbox storage available, because once you reach the cap, you’ll have to start deleting messages in order to receive more. Many free email services offer a terabyte or even unlimited storage, which is helpful if you tend to receive messages with large attachments, like image and video files. However, even a few gigabytes of storage gives you enough space to hold between 100,000 and 300,000 messages.
www.constantcontact.com (Not Free - But 60 Day Free Trial): Constant Contact email services blends your email campaigns and your social networking campaigns into a single matchless and easy-to-use service. They provide an email marketing service with 400+ customizable templates and the option to insert text or your own HTML code into the emails. you also get a 60-day-free-trial with this email marketing service.
"Why aren't millennials moving?" The subject line of this email campaign reads before citing interesting data about relocation trends in the U.S. Trulia doesn't benefit from people who choose not to move, but the company does benefit from having its fingers on the pulse of the industry -- and showing it cares which way the real estate winds are blowing.
MessageGears is a hybrid email marketing system that combines the security of an on-premises system with the scalability of the cloud. The service connects directly to any local or remote database, data warehouse, e-commerce system, or content management system. There is no need to extract, transform, or load customer data into the system or to move or replicate data. Features include subject line previews and testing, spam testing, and automation, drip and trigger campaigns.