Is this a scam or is it for real?

[Detlef Vollmann]

On 7/1/21 12:29 AM, Karl Berry wrote:
>      Subject: Is this a scam or is it for real?
> 
> Hi Rolf - it is real. Your email address was/is rejecting mail from
> tug.org, so mailman eventually gave up and marked your address as
> undeliverable. (It's surprising that you received this message, since it
> too was sent from tug.org, but the ways of mail filtering are
> unfathomable nowadays.)

The interesting part is that I tried to confirm, but mailman told me:
- Results:
     Invalid confirmation string.

So I had to go to the membership page to reenable deliveries.

   Detlef