The Internet Guys - Internet Privacy and Security . Reliable detection of Win98 may not be possible. Because email isn't actually all that private. We certainly don't want to scare you but want to make you aware that potential abuses of this medium exist.
Email is a lot like a postcard.
And current email protocols don't provide a way default to ensure privacy. This means that your email isn't being sent from your PC directly to your friend's PC in Topeka. There are many intermediary steps. It starts off on your local ISP's mail server. Along the way clever and curious system administrators or hackers can read your message.