I don't see any substantial differences. Am I missing something?
Compare "PLUG message in Mail" with "UPHPU message in Mail." You will notice that PLUG's signature begins immediately after my message—as in the very next character.
smime.p7s
Description: S/MIME cryptographic signature
/* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
