I have written a small post about how I use e-mails after reading the Ars Technica article:
I don't understand how most people use #e-mail as one of there communications tools and why they need there specific e-mail user agents which is different from my favorite mail client. But first a short description for what I'm using e-mail and how I am dealing with it.
Most mails are work related. I prefere to use e-mail as an one-to-one communications channel. I do aggressivley unsubscribe from any unwanted newsletters or mailinglist. Admin mails, wanted newsletters and mailing list mails are filterted by #procmail and sorted into different maildirs. I run my own smtp server and I run my own spam filter (mostly some syntax checks of the smtp dialog) because I like to know what's going on in the wild.
Read more on my Hubzilla channel hub.tschlotfeldt.de/channel/tim.