So far all "my" spammers seem indescriminate. I have the feeling that our form is just another URL on a very very long list, and I see no evidence of adaptation

So far all "my" spammers seem indescriminate. I have the feeling that our form is just another URL on a very very long list, and I see no evidence of adaptation. If there was something of value (besides excellent software) behind the signup form maybe we would need different strategies.