Web-based email or webmail is a term referring to an e-mail service intended to be primarily accessed via a web browser, as opposed to through an email client, such as Microsoft Outlook, Mozilla's Thunderbird, or Apple Inc.'s Mail. Electronic mail, often abbreviated to e-mail, email, or originally eMail, is a Store-and-forward method of writing sending receiving A web browser is a software application which enables a user to display and interact with text images videos music games and other information typically located on a An e-mail client, aka Mail User Agent (MUA aka e-mail reader is a frontend Computer program used to manage E-mail. Microsoft Outlook or Outlook (full name Microsoft Office Outlook since Outlook 2003 is a Personal information manager from Microsoft, and is The Mozilla Foundation is a Non-profit organization that exists to support and provide leadership for the Open source Mozilla project Mozilla Thunderbird is a free, Open source, Cross-platform e-mail and News client developed by the Mozilla Foundation. Apple Inc, ( formerly Apple Computer Inc, is an American Multinational corporation with a focus on designing and manufacturing Consumer electronics Mail (aka Mailapp or Apple Mail) is an e-mail program included with Apple Inc One of the earliest Webmail services was Hotmail. Windows Live Hotmail, formerly known as MSN Hotmail and commonly referred to simply as Hotmail, is a free Webmail service of the Windows Live Other very popular webmail providers include mail. com, Yahoo! Mail, Gmail and AOL. Yahoo! Mail is a Web-based email (webmail service from Yahoo!. Gmail, officially Google Mail in Germany and the United Kingdom is a free POP3 and IMAP  See also Comparison of webmail providers. The following tables and gallery compare general and technical information for a number of webmail providers
A major advantage of web-based email over application-based email is that a user has the ability to access their inbox from any Internet-connected computer around the world. However, the need for Internet access is also a drawback, in that one cannot access their old messages when they are not connected to the Internet. Internet access refers to the means by which users connect to the Internet.
There are also software packages that allow an organization such as company to offer email through the web for their associates. Some solutions are open source software like SquirrelMail, and RoundCube, while others are closed source like the Outlook Web Access module for Microsoft Exchange, and Atmail. SquirrelMail is a Web-based email application started by Nathan and Luke Ehresman and SquirrelMail ships with several "standard" or "core" plugins RoundCube is a web-based IMAP email client written in the PHP programming language Outlook Web Access ( OWA) is a Webmail service of Microsoft Exchange Server 5 @Mail is a commercial Webmail, mail-server and Groupware solution designed by Calacode located in Sydney, Australia.
Conversely, there are programs that can simulate a web browser to access webmail as if it were stored in a POP3 or IMAP account. In Computing, local E-mail clients use the Post Office Protocol version 3 ( POP3) an application-layer Internet standard protocol The Internet Message Access Protocol or IMAP is one of the two most prevalent Internet standard protocols for E-mail retrieval the other being POP3 They are susceptible, though, to changes in the user interface of the web service since there is no standard interface.
Some providers, such as Mail2web offer web access to other's e-mail servers. mail2webcom is an E-mail retrieval service started in 1997 by SoftCom Technology Consulting Inc This allows web access to mailboxes where the mail server does not offer a web interface, or where an alternative interface is desired.
There are important differences in rendering capabilities for many popular webmail services such as Yahoo Mail, Gmail, and Windows Live Hotmail. Yahoo! Mail is a Web-based email (webmail service from Yahoo!. Gmail, officially Google Mail in Germany and the United Kingdom is a free POP3 and IMAP Windows Live Hotmail, formerly known as MSN Hotmail and commonly referred to simply as Hotmail, is a free Webmail service of the Windows Live Due to the various treatment of HTML tags, such as <style> and <head>, as well as CSS rendering inconsistencies, email marketing companies rely on older web development techniques to send cross-platform mail. HTML, an initialism of HyperText Markup Language, is the predominant Markup language for Web pages It provides a means to describe the structure Electronic mail, often abbreviated to e-mail, email, or originally eMail, is a Store-and-forward method of writing sending receiving In popular usage "marketing" is the promotion of products especially Advertising and Branding However in professional usage the term has a wider meaning of Web development is a broad term for any activity related to developing a Web site for the World Wide Web or an Intranet. In computing cross-platform (also known as multi-platform) is a term used to refer to Computer software or computing methods and concepts that are implemented This usually means a heavy reliance on tables and inline stylesheets.