@gnu.org broken?

[Daniel Pfeiffer]

For a few days I have not been able to file bug reports for Emacs:

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  emacs-pretest-bug@gnu.org
    SMTP error from remote mailer after end of data:
    host mx10.gnu.org [199.232.76.166]: 550 Invalid address in message header

or

  emacs-bug@gnu.org
    SMTP error from remote mailer after RCPT TO:<emacs-bug@gnu.org>:
    host mx10.gnu.org [199.232.76.166]: 550 unknown user

coralament / best Grötens / liebe Grüße / best regards / elkorajn salutojn
Daniel Pfeiffer

-- 
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