On Nov 17, 2008, at 3:24 AM, Philipp Hancke wrote:
I have not seen any strictly separated inbound and outbound boxes for
quite some time. Even gmail does not use this feature (they connect
from
209.85.163.125, aka xmpp-server4.l.google.com (which is contained in
the
set of names returned when looking up _xmpp-server._tcp.gmail.com).
There is another reason why dialback is better than a simple dns
lookup.
It protects against evil shell users on the originating server that
are
able to open connections using its address.
Since there exists a good reason that we agree on, we don't have to
agree on the first one. :)
