Webmail (or web-based email) is any email client implemented as a web
application accessed via a web browser. Examples of webmail providers
include AOL Mail, Gmail, Outlook.com and Yahoo! Mail. Practically
every webmail provider offers email access using a webmail client, and
many of them also offer email access by a desktop email client using
standard email protocols, while many internet service providers provide
a webmail client as part of the email service included in their internet
As with any web application, webmail's main advantage over the use of a
desktop email client is the ability to send and receive email anywhere
from a web browser. Its main disadvantage is the need to be connected to
the internet while using it. There exist also other software tools to
integrate parts of the webmail functionality into the OS (e.g. creating
messages directly from third party applications via MAPI).
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