https everywhere breaks bahncard.bahn.de
In the newsletters from "Deutsche Bahn" (german railway company), they use links like this: http://bahncard.bahn.de/cgi-bin9/DM/t/mBwo0vAbY04S0BOtj0Fy
These are only forwarding URLs.
However, https everywhere changes them to https. But this domain does not have a valid ssl certificate configured.
It seems https everywhere redirects all subdomains *.bahn.de to https. This works for www.bahn.de and also reiseauskunft.bahn.de (the two most common ones probably), but it seems not for others. It should restrict the forwarding rules to specific subdomains that definitely work with https.