http://feedbackloop.yahoo.net/
Step 2 doesn't help. (yes, you can put * for all selectors, but asking for
one when it isn't really needed leads to FUD).
A selector can of course be in a sub-domain format, such as
september.dialup._domainkey.example.net
I wonder if they considered letting you enter *.dialup or somesuch?
Obviously, requiring or using a fixed name selector is something no
sensible person should be advocating.
Mark.
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