Does it really prevents a lot of spam? I ask out my ignorance. I saw someone saying it doesn't prevent much spam in the end. I don't have the skills to read the code.

Replies (2)

You're entirely well aware that jpg's are still able to be included as has been demonstrated over at Noncontiguous doesn't matter any more now than it did as a defense against piracy charges for rar files distributed in multiple parts on Usenet. For either legal or moral considerations.