Well, to send files, I either just use email or copy the file to somewhere in /var/www if the file is public, or use netcat to send the file directly to the rec

Well, to send files, I either just use email or copy the file to somewhere in /var/www if the file is public, or use netcat to send the file directly to the recipient. For email, I use Heirloom-mailx. For NNTP, I use bystand (my own software).