When sending a PGP Encrypted/Signed email, the message body is turned into
an attachment of the email. 

When sending email from Evolution to another Evolution, this works
properly, however, when sending from Evolution to KMail, Outlook or Outlook
Express.. the user of the other mail client has to go through many step to
download the attachment, then decrypt it.

It would help if this was made to have the message body stay in the actual
body of the email like the other mail clients do, so the email would be
supported by the other mail clients.