> Using Eudora 4.0 onward (I'm not sure if previous versions support this
> feature), you have the ability to set an "output filter", which can be set
> to call any arbitrary program. PGP 5.0+ has a Eudora plugin option that
> you can use to automagically guarantee that all emails sent out are
> encrypted in an invisible way to the user.
Unfortunately PGP 5.0+ encryption is incompatible with PGP 2.6, which is
what most of the people who use PGP are using. I understand the political
reasons for switching to D-H key exchange to get out from under RSA, but
I'm going to stick with 2.6 until there's a really compatible upgrade path
that works on both protocols and all platforms.