Where's the junk coming from?

[José María Mateos]

On Sun, Jun 24, 2018 at 09:39:33PM +0100, Mark Lawrence wrote:
> Hi folks,
> 
> In the last hour or so I've seen via thunderbird and gmane around 15
> emails from various people where the from field is
> name at 1261/38.remove-r7u-this.  The part after the @ symbol never
> changes.  I've seen the contents previously, apart from one from the
> RUE.  Users' complete email addresses are given right at the top.
> What gives?

Same for me. Could it be a news to mailing list gateway? I've found this 
header in some of the offending messages:

X-Gateway: castlerockbbs.com [Synchronet 3.17a-Linux NewsLink 1.108]

Cheers,

-- 
José María (Chema) Mateos
https://rinzewind.org/blog-es || https://rinzewind.org/blog-en