Ever since I've disabled trackbacks/pingbacks due to comment/trackbak spam, I've noticed that WordPress is not pinging other sites when I publish new articles. Usually there's a delay before my browser is redirected to the "New Post" page, during this time, to my knowledge, is the time that it uses to ping other sites to inform them that my weblog has been updated.
That said, which of these (or other) options do I need enabled so my weblog pings other sites? The first is somewhat misleading -- I don't want to ping the sites that are physically linked in my article.
The second one is what I disabled to prevent trackback spam.
And the third is enabled too...
# Attempt to notify any Weblogs linked to from the article (slows down posting.)
# Allow link notifications from other Weblogs (pingbacks and trackbacks.)
# Allow people to post comments on the article