Bounces?

[ToddAndMargo]

Hi All,

What is this constant message all about?  I do re-enable,
but I am wondering what is causing them.

> Your membership in the mailing list Xfce has been disabled due to
> excessive bounces The last bounce received from you was dated
> 20-Aug-2025.  You will not get any more messages from this list until
> you re-enable your membership.  You will receive 3 more reminders like
> this before your membership in the list is deleted.

I did receive a post acknowledgement today (2025-08-20)
from the forum (before I re-enabled):

> Your message entitled
> 
>     Re: My start and stop oneko script
> 
> was successfully received by the Xfce mailing list.

Is there something I can do to permanently fix this?

Many thanks,
-T