MAIL SYSTEM ERROR - RETURNED MAIL

Bounced mail
2019-03-20T10:25:25Z

The original message was received at Wed, 20 Mar 2019 18:25:25 +0800
from lists.01.org [178.210.32.99]

----- The following addresses had permanent fatal errors -----
<linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>

----- Transcript of session follows -----
while talking to lists.01.org.:
>>> MAIL From:"Bounced mail" <postmaster-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>
<<< 501 "Bounced mail" <postmaster-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org>... Refused