I just tried to send a bug to bug-gnu-emacs, and got this error in reply:

Delivery to the following recipient failed permanently:

    bug-gnu-emacs@gnu.org

Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550-gmail.com is listed in postmaster.rfc-ignorant.org (Not supporting
550 postmaster@domain) (state 14).

Is this an error in the bug tracker, or is there a way for me to fix this?