Gmail is a free ad-supported email service developed by Google. Users can access Gmail on the web and through mobile apps for Android and iOS. Gmail started with a limited beta release on April 1, 2004 and ended its beta period on July 7, 2009.
Microsoft Outlook is a Microsoft personal information management software that includes tools: email, calendar, contact management, notes ... Microsoft Outlook was released in 1997
Yahoo! Mail is Yahoo!’s web - based email service (webmail), which is the largest e - mail provider on the Internet, currently serving millions of users.
iCloud is a storage and cloud computing service of Apple Inc. operated from 12/10/2011. As of February 2016, the service has 782 million users.
Msgsafe.io is known as an encrypted email, text, voice chat and video communication service focused on privacy
Zohomail is an email focused primarily on businesses because it's secure, ensures privacy, encryption and, importantly, no ads