snappymail/README.md

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<div align="center">
<a href="https://github.com/the-djmaze/snappymail">
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<img src="https://snappymail.eu/static/img/logo-256x256-white.png">
</a>
<br>
<h1>SnappyMail</h1>
<br>
[![github-actions](https://github.com/the-djmaze/snappymail/actions/workflows/docker.yml/badge.svg)](https://github.com/the-djmaze/snappymail/actions/workflows/docker.yml)
[![docker-image-size](https://img.shields.io/docker/image-size/djmaze/snappymail/latest)](https://hub.docker.com/r/djmaze/snappymail/tags)
<p>
Simple, modern, lightweight &amp; fast web-based email client.
</p>
<p>
The drastically upgraded &amp; secured fork of <a href="https://github.com/RainLoop/rainloop-webmail">RainLoop Webmail Community edition</a>.
</p>
<p>
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We thank the RainLoop Team for making a great PHP 5 product that was good in the past.
</p>
<p>
Up to date system requirements, snappy performance, simple installation and upgrade, no database required
- all these make SnappyMail a good choice.
</p>
<h2></h2>
<br>
</div>
For more information about the product, check [snappymail.eu](https://snappymail.eu/).
Information about installing the product, check the [wiki page](https://github.com/the-djmaze/snappymail/wiki/Installation-instructions).
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And don't forget to read the whole [Wiki](https://github.com/the-djmaze/snappymail/wiki).
## License
**SnappyMail** is released under
**GNU AFFERO GENERAL PUBLIC LICENSE Version 3 (AGPL)**.
http://www.gnu.org/licenses/agpl-3.0.html
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Copyright (c) 2020 - 2024 SnappyMail
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Copyright (c) 2013 - 2022 RainLoop
## Modifications
This fork of RainLoop has the following changes:
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* Privacy/GDPR friendly (no: Social, Gravatar, Facebook, Google, Twitter, DropBox, X-Mailer)
* Admin uses password_hash/password_verify
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* Auth failed attempts written to syslog
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* Added Fail2ban instructions
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* ES2020
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* PHP 7.4+ required
* PHP mbstring extension required
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* PHP replaced pclZip with PharData and ZipArchive
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* Dark mode
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* Added option to remove background/font colors from messages for real "dark mode"
2020-07-15 20:45:11 +08:00
* Removed BackwardCapability (class \RainLoop\Account)
2021-03-04 19:16:50 +08:00
* Removed ChangePassword (re-implemented as plugin)
2020-07-15 20:45:11 +08:00
* Removed POP3 support
* Removed background video support
* Removed Sentry (Application Monitoring and Error Tracking Software)
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* Removed Spyc yaml
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* Removed OwnCloud
2020-07-15 20:45:11 +08:00
* Replaced gulp-uglify with gulp-terser
* CRLF => LF line endings
* Embed boot.js and boot.css into index.html
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* Removal of old JavaScript code (things are native these days)
2020-09-13 20:13:16 +08:00
* Added modified [Squire](https://github.com/neilj/Squire) HTML editor as replacement for CKEditor
2022-05-22 05:24:50 +08:00
* Updated [Sabre/VObject](https://github.com/sabre-io/vobject)
* Split Admin specific JavaScript code from User code
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* Split Sieve specific JavaScript code from User code
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* JSON reviver
* Better memory garbage collection management
* Added serviceworker for Notifications
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* Added advanced Sieve scripts editor
* Slimmed down language files
* Replaced webpack with rollup
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* No user-agent detection (use device width)
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* Added support to load plugins as .phar
2021-04-20 02:44:12 +08:00
* Replaced old Sabre library
* AddressBook Contacts support MySQL/MariaDB utf8mb4
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* Added [Fetch Metadata Request Headers](https://www.w3.org/TR/fetch-metadata/) checks
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* Reduced excessive DOM size
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* Support [Kolab groupware](https://kolab.org/)
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* Support many more [IMAP RFC's](https://snappymail.eu/comparison#IMAP)
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* Support Sodium and OpenSSL for encryption
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* Much better PGP support
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### Supported browsers
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This fork uses downsized/simplified versions of scripts and has no support for Internet Explorer nor Edge Legacy.
Supported are:
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* Chrome 80+
* Edge 80+
* Firefox 78+
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* Opera 67+
* Safari 13.1+
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### Removal of old JavaScript
The result is faster and smaller download code (good for mobile networks).
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* Added dev/prototype.js for some additional features
* Modified Jua.js to be without jQuery
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* Replaced Autolinker with simple https/email detection
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* Replaced momentToNode with proper HTML5 `<time>`
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* Replaced resize listeners with ResizeObserver
* Replaced bootstrap.js with native drop-in replacement
* Replaced dev/Common/ClientStorageDriver/* with Web Storage Objects polyfill
* Replaced *Ajax with *Fetch classes because we use the Fetch API, not jQuery.ajax
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* Replaced [knockoutjs](https://github.com/knockout/knockout) 3.4 with a modified 3.5.1
* Replaced knockout-sortable with native HTML5 drag&drop
* Replaced simplestatemanager with CSS @media
* Replaced inputosaurus with own code
* Replaced keymaster with own shortcuts handler
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* Replaced OpenPGP.js v2 with OpenPGP.js v5
* Removed ifvisible.js
* Removed pikaday
* Removed underscore
* Removed polyfills
* Removed Modernizr
* Removed nanoscroll
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* Removed lightgallery
* Removed jQuery
* Removed jquery-ui
* Removed jquery-scrollstop
* Removed jquery-mousewheel
* Removed matchmedia-polyfill
* Removed momentjs (use Intl)
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* Removed opentip (use CSS)
* Removed non-community (aka Prem/Premium/License) code
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* Removed ProgressJS
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RainLoop 1.17 vs SnappyMail
|js/* |RainLoop |Snappy |
|--------------- |--------: |--------: |
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|admin.js |2.170.153 | 83.739 |
|app.js |4.207.787 | 438.844 |
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|boot.js | 868.735 | 4.147 |
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|libs.js | 658.812 | 193.716 |
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|sieve.js | 0 | 84.598 |
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|polyfills.js | 334.608 | 0 |
|serviceworker.js | 0 | 285 |
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|TOTAL |8.240.095 | 805.329 |
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|js/min/* |RainLoop |Snappy |RL gzip |SM gzip |RL brotli |SM brotli |
|--------------- |--------: |--------: |------: |------: |--------: |--------: |
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|admin.min.js | 256.831 | 41.057 | 73.606 | 13.841 | 60.877 | 12.387 |
|app.min.js | 515.367 | 198.688 |139.456 | 67.384 |110.485 | 57.528 |
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|boot.min.js | 84.659 | 2.087 | 26.998 | 1.204 | 23.643 | 1.002 |
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|libs.min.js | 584.772 | 92.365 |180.901 | 34.487 |155.182 | 30.830 |
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|sieve.min.js | 0 | 41.093 | 0 | 10.325 | 0 | 9.327 |
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|polyfills.min.js | 32.837 | 0 | 11.406 | 0 | 10.175 | 0 |
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|TOTAL user |1.217.635 | 293.140 |358.761 |103.075 |299.485 | 89.360 |
|TOTAL user+sieve |1.217.635 | 334.233 |358.761 |113.400 |299.485 | 98.687 |
|TOTAL admin | 959.099 | 135.509 |292.911 | 49.532 |249.877 | 44.219 |
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For a user it is around 68% smaller and faster than traditional RainLoop.
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### CSS changes
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* Solve jQuery removed "features" with native css code
* Themes work in mobile mode
* Bugfix invalid/conflicting css rules
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* Use flexbox
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* Use border-box
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* Split app.css to have separate admin.css
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* Remove oldschool 'float'
* Remove unused css
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* Removed html.no-css
* Removed dev/Styles/Cmd.less
* Removed dev/Styles/Scroll.less
* Removed Internet Explorer from normalize.css
* Removed node_modules/opentip/css/opentip.css
* Removed node_modules/pikaday/css/pikaday.css
* Removed unused vendors/bootstrap/less/*
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* Removed vendors/jquery-nanoscroller/nanoscroller.css
* Removed vendors/jquery-letterfx/jquery-letterfx.min.css
* Removed vendors/Progress.js/minified/progressjs.min.css
* Removed gulp-autoprefixer
|css/* |RainLoop |Snappy |RL gzip |SM gzip |SM brotli |
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|------------ |-------: |------: |------: |------: |--------: |
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|app.css | 340.331 | 84.662 | 46.946 | 17.667 | 15.144 |
|app.min.css | 274.947 | 68.023 | 39.647 | 15.565 | 13.577 |
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|boot.css | | 1.326 | | 664 | 545 |
|boot.min.css | | 1.071 | | 590 | 474 |
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|admin.css | | 30.528 | | 7.001 | 6.088 |
|admin.min.css | | 24.652 | | 6.325 | 5.574 |
### PGP
RainLoop uses the old OpenPGP.js v2
SnappyMail v2.12 uses OpenPGP.js v5, GnuPG and Mailvelope.
SnappyMail is able to use and generate ECDSA and EDDSA keys, where RainLoop does not.
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Since SnappyMail tries to achieve the best mobile experience, it forked OpenPGP.js to strip it down.
* remove all unused Node.js
* remove all old browsers support
See https://github.com/the-djmaze/openpgpjs for development
|OpenPGP |RainLoop |Snappy |RL gzip |SM gzip |RL brotli |SM brotli |
|--------------- |--------: |--------: |------: |-------: |--------: |--------: |
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|openpgp.min.js | 330.742 | 546.309 |102.388 | 169.249 | 84.241 | 138.751 |
|openpgp.worker | 1.499 | | 824 | | 695 | |
### Squire vs CKEditor
The [Squire](https://github.com/neilj/Squire) implementation is not 100% compatible yet, but it shows the massive overhead of CKEditor.
Still TODO:
* support for tables (really needed?!?)
| | normal | min | gzip | min gzip |
|-------- |-------: |-------: |------: |--------: |
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|squire | 122.321 | 41.906 | 31.867 | 14.330 |
|ckeditor | ? | 520.035 | ? | 155.916 |
CKEditor including the 7 asset requests (css,language,plugins,icons) is 633.46 KB / 180.47 KB (gzip).