The mechanisms for securing the contents of an email and validating
the identity of the author of the update are weak by modern
standards. Although there are ways of improving the use of email for
secure transactions, these are not considered sufficiently
scaleable.
i believe this paragraph needs considerable justification before
this proposal can be justified, particularly as it proposes to
make things significantly more difficult for the smallest and
most poorly connected registrants, who would otherwise seem, at
leat to me, to be deserving of our going the extra kilometer to
support.
randy