Some great article about spammer,
Last July, wanting to prove that simplistic protection of email links by just escaping them as numeric character references (email@example.com to produce [email protected]) was a lousy idea — and how could it not be? even without any economic incentive, it wouldn’t take me long to write the code needed to harvest them just fine — I put an encoded SpamMotel address in my sidebar, along with a fresh address in the unprotected part of my accessibly spamproofed address. I figured it wouldn’t take long before the encoded address was getting just as spammed as the other.
Read this full entry here