TransferBigFiles is free file transfer and hosting tool. The service enables users to send and share files that are generally too large for email. The tool works by allowing users to upload files to its servers; TransferBigFiles then sends the intended recipient a link where the file can be accessed.

MailChimp is an email marketing service that allows users to publish their own email campaigns. Further, MailChimp allows users to share their personalized campaigns via social media channels.

Those who use MailChimp's Forever Free Plan are able to send 12,000 emails a month, to a list of up to 2,000 subscribers, at no cost. 

http://mailchimp.com/

Since its founding in 1999, Hushmail has provided free and secure web-based email services for individuals. At a cost, Hushmail also offers similar accounts for businesses.

http://en.wikipedia.org/wiki/Hushmail

https://www.hushmail.com/

Riseup is a Seattle-based non-profit organization that offers activists free access to a range of online communication tools.

Most notably, Riseup provides activists and activist organizations with secure and private webmail communications. Unlike most corporate email providers, Riseup's aim is to ensure the confidentiality of its subscribers.

https://riseup.net/

https://mail.riseup.net/