>I know about scam baiting, but you said anti-scam.
>
>Yes, these things exist but that's nothing to do with what I received. I got the typical "pitch" letter to me (although this is in good, grammatically correct English, well punctuated AND not all in upper case). The only other difference was that it wasn't by FREE email, where you can mailshot a million prospective "marks" for zilch, but posted to my name and address.
>
>How can this be any mechanism of a scam baiter? I'm not a scammer.
>

I'd say it is possible, if they are using stolen stamps and envelopes.