I do expect to see more of it, although I prefer to see it done the way Microsoft does (I've linked it elsewhere in the thread). What rubbed me the wrong way about this one wasn't the policy, but how they make opting out as difficult as possible.
Of which the efficacy is certainly arguable, since a truly reputable firm might seek to provide such a mechanism in an easy-to-use manner. Whereas a shady operation would, and do, ignore the directive anyhow.
Sure, but by making it hard for legitimate companies to spam you, we get a much clearer separation of spam from ham. You don't have to know who all the bad guys are, it's enough to know who all the good guys are.
These days, messages in my inbox fall into two categories: Messages with an "unsubscribe" link, or spam.
