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The iPhone 3G is the second generation of iPhone, released in 2008 by Apple. It has GPS, 3G data, and the App Store, and was updated to iOS 4.2.1 in 2010.
Learn about the history, features and versions of Microsoft Exchange Server, a mail server and calendaring server developed by Microsoft. Compare the current version (Exchange Server 2019) with previous releases and see how it supports Windows Server Core and Active-Active clustering.
Apple Mail is an email client included by Apple Inc with its operating systems macOS, iOS, iPadOS, watchOS, and visionOS. It supports various features such as SMTP, POP3, IMAP, S/MIME, Exchange, and iCloud, and has a history of development since 1997.
Push email is an email system that transfers new messages to the user agent immediately, unlike polling email that checks for new mail periodically. Learn how push email works, how it differs from polling email, and which mobile devices support push email.
Exchange ActiveSync (EAS) is a proprietary protocol for synchronizing email, contacts, calendar, tasks, and notes between a messaging server and a mobile device. Learn about the history, features, and usage of EAS across different platforms and services.
Learn about the origins and evolution of mobile phones, from the first handheld device in 1973 to the smartphones of today. Find out how mobile phones work, what services they offer, and how they have changed the world.
A table of general and technical information for various webmail providers who offer a web interface in English. The web page does not include web hosting or telecommunication providers who may offer mailboxes exclusively to their customers.
iOS is a proprietary operating system for Apple devices, such as iPhones, iPads, and iPods. It is based on macOS and has been released annually since 2007, with the latest version being iOS 17. Learn about its history, features, and versions.