Re: UNAUTH

> The place it might have value would be high traffic webmail
> servers, where a single application serves a large number of
> users. The ability to keep a connection pool open might be
> helpful. TCP setup and teardown isn't that expensive compared
> to authentication, but TLS setup might be.
Seems to me that RFC 4954 provides the the AUTH=mailbox parameter
on MAIL FROM for just this scenario.

R's,
John