So the one you are talking about is where in admin, I as an administrator can put in websites that can receive pings. I am assuming the way this works is that when a post is made and this is enabled that the post will be sent to a service that makes that post enabled in the world wide web, news services, etc. Is this correct?
If so, does anybody know of specific sites that receive pings from blogs to do this? I notice there is one that is the default. I am going to try to find a way to access them and see if some pings I have done are there.
I just did some testing with the post ping xmlrpc feature. The link at http://www.rpc.weblogs.com
to the post does not show the post URL, just a link to the blog homepage. The way the http://www.rpc.weblogs.com
feature appears to work is that it makes all pings from blog sites to appear on its site. (But not the trackback or permalink for the actual post). Then when a subscriber (who has the proper software) wants to see whenever a post is made by your website, goes to the http://www.rpc.weblogs.com
pages to search for posts by your site.
So, unless someone is subscribing to a service that actually is checking for posts by you, your post does not go out to news services, the www, etc.
So, if you want your posts to go out to a news wire, etc. you need to find a service that does that and enter their ping url into the proper section in admin. Some time I will get a list of these and put it into the Wiki.