For me (although I don't do this) it's matter of principle. For example, companies that send me spam catch a nerve. Here's my thing with spam: it's cheap or,

For me (although I don't do this) it's matter of principle. For example, companies that send me spam catch a nerve. Here's my thing with spam: it's cheap or, in the eyes of most PHBs, free. When you send me a spam, what you're saying to me as a potential customer is "You're not valuable enough for me to take 30 seconds and pick up a phone to call you. Instead, I'm going to monopolize a few seconds of your time every day so that you have to see my name while you're deleting things from your inbox." It's incredibly rude, incredibly disrespectful, and it really ticks me off. So if a company that I do business with adds me to their "waste this person's time" list, I'll take a few minutes to send an email to my rep asking for them to explain why they value me so little. Is this a waste of 5 minutes? Would it be easier to just write a spamassassin rule to filter this stuff out? Yeah, probably, but it makes me feel good; it's the principle of it. I suggest GP is the same way...