Make it exclusive to Windows. Linux will be better place without them. (why not systemd, unity, gnome too?)

Don't take it as a joke. My system boots faster with Slackware than the OS(naming it won't be good) with systemd.

What about BSD? No desktop users? Strange!

"systemd is an init system used by some Linux distributions to bootstrap the user space and manage all processes subsequently, instead of the UNIX System V or Berkeley Software Distribution (BSD) init systems."

From techopedia -> "Definition - What does Porting mean? : Porting is the process of adapting software in an environment for which it was not originally written or intended to execute in. What Ubuntu Pi Flovour Maker does is Packaging. n which individual files or resources are packed together as a software collection that provides certain functionality as part of a larger system Title is misleading.

I am using 'gnus since last couple of years. It would suit your requirements. 1. You can configure multiple accounts 2. Use it with offlineimap and dovecot, since you have huge archive of mails.