Thank you all very much.
-------- Eredeti levél --------

Feladó: Carlos E. R. <robin.listas@telefonica.net>
Dátum: 2024 február 11 15:08:47
Tárgy: Re: How to subscribe to a list by email?
Címzett: oS-EN <users@lists.opensuse.org>

On 2024-02-11 14:48, Istvan Gabor wrote:
> Hello:
>
> I sent a message to kde3@lists.opensuse.org
> <mailto:kde3@lists.opensuse.org> (I thought I was a list member) but got
> back a message saying
>
> Your message to the openSUSE KDE 3 mailing-list was rejected for the
> following
> reasons:
>
> The message is not from a list member
>
> There was no any information in the letter on how to subscribe to the
> given list.
> At the home page of the mailing lists (lists.opensuse.org site)  there
> is no information either on how to subscribe to a list by email.
>
> Earlier (before this hiperkitty madness)  there was detailed information
> on the website how to subscribe to a list. The email answer from the
> list also included how to subscribe to the list (to what address to send
> what).

https://en.opensuse.org/openSUSE:Communication_channels

https://en.opensuse.org/openSUSE:Mailing_lists_subscription
These, or links to these should be put on the mailing list home page as well, IMO.

>
> Where can I found this information? Why the emails and the website don't
> contain it?

They do, it is in the headers, as always.
Yes, I found. My client dumbs down the header, it shows only the sender and the recipient names. I have to open the whole source message to see more.

Best regards,

Istvan