User on mailinglist that collects addresses to send spam?

[Jason A. Donenfeld]

On Tue, Jan 17, 2023 at 12:45:48AM +0100, Christoph Loesch wrote:
> Hi,
> 
> sorry for this unrelated mail.
> 
> I use a separate mail-address for every site/contact who wants my mail-address.
> Just checked my spam-folder and what do I see? a mail from janisa at onertronics.com to my wireguard mail-address which I use only for this mailinglist.
> So I guess janisa at onertronics.com is collecting mail-addresses here and then sending unwanted spam-mails.
> 
> If this user is on this list, I would recommend to remove this address.
> 
> proof: (on request I can also provide full mail headers)

lore.kernel.org archives the mailing list, which preserves full headers:
https://lore.kernel.org/wireguard/5d0d60df-ee8c-87ab-379b-31ed33675668@chil.at/raw

Anybody could subscribe and set up such a thing.

Jason