[$] A SpamAssassin surprise

Here is a piece of advice for anybody wanting an easy and frustration-freelife: do not run your own email system. While there are numerous advantages tokeeping some control over your communications, there is also a long list ofthings that can go wrong. A recent failure of spam filtering on the LWNemail system illustrated one of those ways, as well as shining a light onhow even a seemingly independent email system is tied to other servicesacross the net.