Sorry, I have to reply from another email since the first one got blocked by email provider after said spam rejections.
I will provide what I can, from the first unsuccessful email.
> the Time (including timezone),
Date: Sat, 18 Jan 2020 06:26:35 +0000 - from Headers
Although my actual timezone is +3 which makes it 09:26:35
> the Message-Id,
<rFliXSNjgK52OFDERIbXgiQyVg9mdJuBrOnABzMbXt0XoeKY9NtdS07sRAjtPCiwQOZeigI6goEQDRgX4EO6wz9w_fUQohKymF9DFK8l8-0=@nxmail.org>
> the Adresses you sent from and to,
from: n...@nxmail.org
to: debian-announce-requ...@lists.debian.org
This is a new domain, it is used with protonmail.com email provider
This was a subscription confirmation, so a simple reply with subject: CONFIRM s2020011806253310014
Thanks a lot for your help.
