Subject: How do I delete a posting to a newsgroup?

From: Sean Cross <[email-masked]>
Date: Thu, 3 Oct 1996 23:53:25 -0700

I have a shell account and using pine 3.93.
I would like to know how to delete a posting that i have posted to a
forsale newsgroup?

I have seen this done a couple of times, But i forgot how to do this.
It has something to do with Control: in the subject header as I recall.

Thank You.
[email-masked]