Having an IETF identity is OK if all you ever publish is in the IETF. Some of
our
participants also publish at other SDOs such as IEEE, W3C, ITU, and quite a
few publish
Academic papers. Using the same identifier for all these places would be
useful, and
that single identifier is not going to be an @ietf.org email address.
If you want Yahoo mail or gmail or pobox.com, you know where to find it.
Or people here are, I expect, mostly able to arrange for their own
vanity domains.
R's,
John, abuse(_at_)no(_dot_)sp(_dot_)am