blacklist

Preventing Email Spam?

I am working on an email program and I want to add a basic way to detect spam based on the domain/sender of the mail. One service that I was looking at was gossip (http://gossip-project.sourceforge.net/) but I don't want to go to the hassle of setting up a dedicated Gossip server. I know that there are a lot of email blacklists (DNSBL's)...

blacklisting vs whitelisting in form's input filtering and validation

which is the preferred approach in sanitizing inputs coming from the user? thank you! ...

How to "Validate" Human Names in CakePHP?

I have a PHP script that is supposed to check for "valid" human names, but recently cracked against a name with a space, so we added spaces to our validator. Rather than doing this, is there a way to add a blacklist to CakePHP's validator to block all "invalid" characters, rather than allowing "valid" ones? NOTE: I know how to do this...

Spanish profanity black-list

I've been tasked with implementing a blacklist-based profanity filter for a Rails app. I know there are a ton of issues with blacklist-based filtering, but the decision was made above my head. Challenge: I'm looking for a good list of Spanish profanity to run into the filter. For English, we're building on a list which exhaustively li...