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+[[!meta title="Revisiting the anatomy of Emacs mail user agents"]]
+[[!meta copyright="Copyright © 2022 Mohsen BANAN"]]
+[[!inline pages="internal(2022/info/mail-nav)" raw="yes"]]
+
+<!-- Initially generated with emacsconf-generate-talk-page and then left alone for manual editing -->
+<!-- You can manually edit this file to update the abstract, add links, etc. --->
+
+
+# Revisiting the anatomy of Emacs mail user agents
+Mohsen BANAN (MO-HH-SS-EN, he/him)
+
+[[!inline pages="internal(2022/info/mail-before)" raw="yes"]]
+
+Actually, it makes very good sense to use Emacs as your Mail User Agent (MUA). A dominant and fundamental aspect of
+mail composition and mail processing is editing. And, if you live inside of Emacs, of course you expect to have the
+ultimate messaging environment.
+
+Over the years many Emacs MUAs have appeared. As of 2022, the following Emacs MUAs are available to choose from:
+Rmail, Gnus, VM, WanderLust, Mew, mu4e and notmuch.el.
+
+Emacs MUAs can be used as Monolithic-MUAs (with elisp smtp and imap protocol implementations) or as Split-MUAs (with external
+smtp and imap protocol implementations). We make a case for superiority of the Split-MUA model.
+Recent evolutions of Gmail and Outlook towards requiring OAuth and our agility to better address that
+requirement based on the Split-MUA anatomy is one of our justifications for converging
+towards the Split-MUA anatomy.
+
+While what we are presenting here applies to all Emacs MUAs, our focus is Gnus.
+Gnus is distributed with Emacs proper and is the richest and most potent MUA, anywhere!
+
+We have wrapped all that is needed to use Gnus as a complete Split-MUA for Unix-like environments in a package
+called MARMEE (Multi-Account Resident Message Exchange Environment).
+
+MARMEE consists of a set of packages that span:
+
+Deb GNU/Linux Packages
+MyPi Python Packages
+Emacs Elisp Packages
+plus everything that is needed to properly install these on Debian-like GNU/Linux systems and
+integrate them with Gnus. By choice, we have limited our integration languages to elisp, python and bash.
+
+MARMEE component packages include:
+
+EoQmail (deb+MyPi) – Edge oriented Qmail, as a Resident Mail Submission UA.
+qmail-remote is replaced by a python implementation which includes OAuth awareness.
+qmail-inject is replaced by a python implementation which is X822-Bus aware (for DSN requests)
+offlineimap (MyPi) – as a Resident Mail Retrieval UA.
+offlineimap includes OAuth awareness.
+notmuch (deb) – for searching
+gpg (deb) – for privacy and integrity
+flufl.bounce (MyPi) – for bounces and DSN (Delivery Status Notification) processing.
+bisos.cs (MyPi) – BISOS CommandServices for configuration and secrets management and integration.
+gmailOauth2.cs (MyPi) – For SMTP and IMAP authentication/authorization through gmail.com
+Used by qmail-remote for out-going and by offlineimap for in-coming OAuth based mail.
+org-msg (EmacsPkg) – For HTML-composition in org-mode and for htmlized citations.
+mcdt (EmacsPkg) – Mail Composition, Templating, Distribution and Tracking.
+The integration framework for MARMEE is BISOS (ByStar Internet Services OS).
+Full integration of Emacs, MARMEE and BISOS is called Blee (ByStar Libre-Halaal Emacs Environment).
+The easiest way to use MARMEE is to install BISOS – which includes Blee.
+
+In this talk I will demonstrate what a wonderful environment the Split-MUA model of Gnus+MARMEE can be.
+
+After walking through the concepts and the integration framework, I'll walk through transparent access to
+multiple mail servers conveniently and show org-mode composition of BIDI emails going out as html.
+
+My primary goal is to show that these packages can be integrated, but that integration is not simple.
+furthermore, various improvements can be made to the packages to improve the complete integrated environment.
+I'll be enumerating my requests from relevant package managers.
+If we were to collectively buy into something like this, we can greatly simplify use of Emacs MUAs
+with all mail systems – including the commonly used gmail and outlook.
+
+Of course, we should not be using gmail and outlook. Instead we should extend Libre Software into Libre Services
+and provide for edge-oriented autonomy and privacy in the services domain. There is a services side to
+what we have presented here. It is called "The Libre-Halaal By\* (ByStar) Digital Ecosystem" – <http://www.by-star.net/>
+Perhaps that could be a topic for the next EmacsConf.
+
+
+
+[[!inline pages="internal(2022/info/mail-after)" raw="yes"]]
+
+[[!inline pages="internal(2022/info/mail-nav)" raw="yes"]]
+
+[[!taglink CategoryMail]]