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While this page describes the usage of OpenPGP, S/MIME is described here.
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If you are in doubt which one to choose, you should use OpenPGP. S/MIME/X.509 is mostly used by enterprises.
#Free pgp email encryption outlook software#
The software is ordered alphabetically within the sections. There are two widely used standards for email encryption. Please note that we only include published, working software, which implements the standard. If a project is missing and you would like it included, please open a pull request at /OpenPGP/. While these are easier to set up and provide basic security guarantees with OpenPGP, some people don’t consider these “end-to-end secure”. In contrast to the previous section, the following webmail providers do not require the installation of additional browser plugins, instead OpenPGP is implemented in JavaScript provided directly by the website. Webmail Provider with In-Browser Cryptography Other authorized providers with API support: The Mailvelope website provides a list of supported webmail providers. WindowsĪ lot of webmail providers support email encryption via the OpenPGP standard using Mailvelope. Although OpenPGP’s main purpose is end-to-end encrypted. OpenPGP was originally derived from the PGP software, created by Phil Zimmermann. Mailvelope is an extension for Chrome and Firefox that will allow us to encrypt and decrypt emails from leading providers such as Gmail, Outlook and Yahoo Mail. It is defined by the OpenPGP Working Group of the Internet Engineering Task Force (IETF) as a Proposed Standard in RFC 4880. OpenPGP is the open standard based on PGP, and the one currently used in all programs. No security audits have been done by us and, thus, we cannot provide any security guarantees. OpenPGP is the most widely used email encryption standard. The authors of this webpage are not actively participating in the development of each of these third-party apps.