In 2015, some of the best free email service providers are Gmail, Outlook and Yahoo Mail. Google's Gmail offers 15 GB of free online storage, and users have the option to purchase more storage space. It supports video chat within its inbox but doesn't support RSS feeds.
Microsoft offers 7 GB of free online storage and unlimited inbox storage with Outlook. Users can link their social media accounts such as Facebook, Google Plus and Twitter accounts to their Outlook, letting them follow the feeds in Outlook.
Users can sign up for free Yahoo Mail accounts using their Google or Facebook login credentials. The service offers 1 TB of free inbox storage.