In pine, press: [M]ain [S]etup [C]onfigure
and add these filters:

display-filters =  _LEADING("-----BEGIN PGP")_ /usr/bin/ez-pine-gpg-incoming
sending-filters =  /usr/bin/ez-pine-gpg-sign-and-encrypt _INCLUDEALLHDRS_ _RECIPIENTS_
                   /usr/bin/ez-pine-gpg-encrypt _RECIPIENTS_
                   /usr/bin/ez-pine-gpg-sign _INCLUDEALLHDRS_

You may also install the ez-pine-gpg-symmetric sending filter.  See the
README for details.
