There is a neat auto-decrypt/encyrpt utility for windows called
gpgrelay. You can download it from
http://sourceforge.net/projects/gpgrelay.

It is used as a local proxy with your email client, and will
automatically decrypt messages coming in to an email address for
which you have the private key.  On the smtp side, it
automatically encrypts messages to an email address that matches
any key you have on your keyring.

The smtp part sounds intriguing. Is there a remailer or m2n
gateway that I could send an ordinary message to, but encrypted?
If so, that means I could use my regular news program to reply
to newsgroup messages, but have them encrypted when they leave
here.

Thats not perfect since the remailer operator can see where the
message came from, but it hides my message from my isp.

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