[pubsubhubbub] Re: Subscribe fails: "Error trying to confirm subscription"

[c.cobb]

Switched to Internet Explorer 7 and, first try, got a "Server too
busy" error. But, on the second try, the subscription was successful.
Unsubscription and re-subscription works fine in IE. Nada in Firefox
3.0.14. Can live with that, I guess :) Better than thinking I'm going
crazy.