As I suspected originally, it would appear that Akismet is dealing with the comments before comment.php gets a chance, and thus they avoid the blacklist check entirely. After disabling Akismet the comments are moved to the trash as they should be.
As I suspected originally, it would appear that Akismet is dealing with the comments before comment.php gets a chance, and thus they avoid the blacklist check entirely. After disabling Akismet the comments are moved to the trash as they should be.