TrackBack
As of MePhi .2, the sending and receiving of Movable Type TrackBack pings is supported.
Please note, by "Movable Type TrackBack pings," I don't necessarily mean "TrackBack pings from a Movable Type weblog," but rather "TrackBack pings from a weblog that uses the Movable Type TrackBack technical specifications."
TrackBack is a method of creating a concrete reference between authors' entries on the web. The bond created between TrackBack pings is less superficial than that of one created from an anchored link because it requires no user interaction to alert the referenced entry of its involvement of the referencing entry's content.
The MetaPhilter script used for receiving TrackBack pings is 'tb.php'. TrackBack pings are sent using the POST HTTP request method. When this script is accessed by this scheme, it excepts to receive TrackBack information. If inappropriate or invalid information is received, an error is returned.
This script is also used for listing received TrackBack pings. When accessed with the GET HTTP request method, the pings received by a posted link are returned in an RSS format.
Note: The output method of this script should not be altered. The RSS format is used by other services such as BackTrack to collect information on interconnecting entries. If you need to format the list of pings into HTML, use the MPPings template tag.
To send Trackback pings to entries you reference when posting links, simply enter the TrackBack ping URLs of those entries in the text area at the bottom of the "new link" form. You should separate each URL with a newline.
When the link is posted, MetaPhilter will send a TrackBack ping to each URL along with the information of your Philter and an excerpt from the link you posted.