If it has, the message spreads faster than the Cancel message could ever hope to overtake it. Eventually though, the Cancel message will propogate and it is left up to the multitude of newsgroup servers to deal with it if they are set up to do so. Because of the limit to the size of an article that can be edited, be careful to observe the likelihood that including long files may get truncated to about 700 lines. To attach files to your post or e-mail, you can click on the Attatchment field to bring up the Attachment dialog box. Selecting what kind of encoding is not automatic.
Encoding actually makes the result larger than the original.
So far, the only built-in encoding is UUEncoding, a technique to make binary files manageable that would otherwise get munged in the travels from machine to machine. However, this causes more problems that it cures. Crossposting Again, there seems to be an inconsistancy in the posting to multiple newsgroups. In the Newsgroup field, separate the newsgroup names with just a comma. Don't use a space or a comma-space pair.