MT Comment Spam
In reference to the MT Blacklist thread over at NSLog:
It seems to me that the better way of blocking comment spam would be to use a modified version of Realtime Blackhole Lists.
The downside of RBLs for email have been the fact that if you use them, you must rely solely upon the judgement of their maintainers. There is an implicit trust in the maintainers of the RBL, that they won’t block the entire continent of Asia just because of a few Tawainese spammers. Unfortunately, many RBL maintainers have, in the past, blocked whole major networks, just to “get attention”. This had the effect of wiping out email for enormous chunks of the Internet. Since most webloggers want to encourage commenting, this is not the result we want.