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63 lines
4.3 KiB
Markdown
63 lines
4.3 KiB
Markdown
# Standards used in chatmail core
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Some of the standards chatmail is based on:
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Tasks | Standards
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Transport | IMAP v4 ([RFC 3501][]), SMTP ([RFC 5321][]) and Internet Message Format (IMF, [RFC 5322][])
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Proxy | SOCKS5 ([RFC 1928][])
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Embedded media | MIME Document Series ([RFC 2045][], [RFC 2046][]), Content-Disposition Header ([RFC 2183][]), Multipart/Related ([RFC 2387][])
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Text and Quote encoding | Fixed, Flowed ([RFC 3676][])
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Reactions | Reaction: Indicating Summary Reaction to a Message ([RFC 9078][])
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Filename encoding | Encoded Words ([RFC 2047][]), Encoded Word Extensions ([RFC 2231][])
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Identify server folders | IMAP LIST Extension ([RFC 6154][])
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Push | IMAP IDLE ([RFC 2177][])
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Quota | IMAP QUOTA extension ([RFC 2087][])
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Seen status synchronization | IMAP CONDSTORE extension ([RFC 7162][])
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Client/server identification | IMAP ID extension ([RFC 2971][])
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Authorization | OAuth2 ([RFC 6749][])
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End-to-end encryption | [Autocrypt Level 1][], OpenPGP ([RFC 4880][]), Security Multiparts for MIME ([RFC 1847][]) and [“Mixed Up” Encryption repairing](https://tools.ietf.org/id/draft-dkg-openpgp-pgpmime-message-mangling-00.html)
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Detect/prevent active attacks | [securejoin][] protocols
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Compare public keys | [openpgp4fpr][] URI Scheme
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Metadata minimization | Header Protection for Cryptographically Protected Email ([RFC 9788][])
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Configuration assistance | [Autoconfigure](https://web.archive.org/web/20210402044801/https://developer.mozilla.org/en-US/docs/Mozilla/Thunderbird/Autoconfiguration) and [Autodiscover][]
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Messenger functions | [Chat-over-Email](https://github.com/chatmail/core/blob/main/spec.md#chat-mail-specification)
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Detect mailing list | List-Id ([RFC 2919][]) and Precedence ([RFC 3834][])
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User and chat colors | [XEP-0392][]: Consistent Color Generation
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Send and receive system messages | Multipart/Report Media Type ([RFC 6522][])
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Send and receive contact files | vCard ([RFC 6350][])
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Return receipts | Message Disposition Notification (MDN, [RFC 8098][]) using the Chat-Disposition-Notification-To header
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Locations | KML ([Open Geospatial Consortium](http://www.opengeospatial.org/standards/kml/), [Google Dev](https://developers.google.com/kml/))
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[Autocrypt Level 1]: https://autocrypt.org/level1.html
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[securejoin]: https://securejoin.delta.chat/
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[openpgp4fpr]: https://metacode.biz/openpgp/openpgp4fpr
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[Autodiscover]: https://learn.microsoft.com/en-us/exchange/autodiscover-service-for-exchange-2013
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[XEP-0392]: https://xmpp.org/extensions/xep-0392.html
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[RFC 1847]: https://tools.ietf.org/html/rfc1847
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[RFC 1928]: https://tools.ietf.org/html/rfc1928
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[RFC 2045]: https://tools.ietf.org/html/rfc2045
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[RFC 2046]: https://tools.ietf.org/html/rfc2046
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[RFC 2047]: https://tools.ietf.org/html/rfc2047
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[RFC 2087]: https://tools.ietf.org/html/rfc2087
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[RFC 2177]: https://tools.ietf.org/html/rfc2177
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[RFC 2183]: https://tools.ietf.org/html/rfc2183
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[RFC 2231]: https://tools.ietf.org/html/rfc2231
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[RFC 2387]: https://tools.ietf.org/html/rfc2387
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[RFC 2919]: https://tools.ietf.org/html/rfc2919
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[RFC 2971]: https://tools.ietf.org/html/rfc2971
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[RFC 3501]: https://tools.ietf.org/html/rfc3501
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[RFC 3676]: https://tools.ietf.org/html/rfc3676
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[RFC 3834]: https://tools.ietf.org/html/rfc3834
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[RFC 4880]: https://tools.ietf.org/html/rfc4880
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[RFC 5321]: https://tools.ietf.org/html/rfc5321
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[RFC 5322]: https://tools.ietf.org/html/rfc5322
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[RFC 6154]: https://tools.ietf.org/html/rfc6154
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[RFC 6350]: https://tools.ietf.org/html/rfc6350
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[RFC 6522]: https://tools.ietf.org/html/rfc6522
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[RFC 6749]: https://tools.ietf.org/html/rfc6749
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[RFC 7162]: https://tools.ietf.org/html/rfc7162
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[RFC 8098]: https://tools.ietf.org/html/rfc8098
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[RFC 9078]: https://tools.ietf.org/html/rfc9078
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[RFC 9788]: https://tools.ietf.org/html/rfc9788
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