Mutt speaks SMTP now: http://www.mutt.org/doc/devel/manual.html#smtp
You might want to check out Pentadactyl.
Speaking of whooshes...
For me it was the div on the left hand side that contains some weird counts of posts that I never managed to figure out. It's only in the new dynamic comment system they're using (IIRC). I got rid of it by using a stylesheet just for Slashdot:
From the homepage:
We are currently working on reimplementing the site in a more modern, safe fashion, while at the same time restoring all services required for development and communication. With that said, we are working very hard to revitalize Window Maker's presence on X Window (and perhaps beyond) desktops. With this new focus, we can now truly assert that Window Maker will be resuming active development very soon.
That was seven months ago.