> Do you know offhand if this is something that happend recently (in relation > to a change we made somewhere), or if it has been that way "all the time"?
A lot of the archives' links have been like that for a long time. Some don't get the let's-obscure-this-email-address treatment, but I have no idea what the difference is.
That's interesting. Do you have an example of one that doesn't get broken?
