Delivery to the following recipient failed permanently:

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the relay


The error that the other server returned was:
550-5.2.1 The user you are trying to contact is receiving mail at a rate that
550-5.2.1 prevents additional messages from being delivered.

The invitation address for Google’s new “Inbox” service is having a little trouble with email. “The ironing is delicious.” πŸ™‚

(I did receive a confirmation of my invite request a little later, but it’s still funny πŸ™‚ It also looks pretty cool.)