On Wed, 2017-08-02 at 10:20 -0300, Emiliano Marini wrote:
> Sorry to bother, but it's the second time this happens to me:
>
> "Your membership in the mailing list Dng has been disabled due to
> excessive bounces The last bounce received from you was dated
> 23-Jul-2017."
>
> I have a Gmail account, it's Google's fault? or maybe some issue with
> Mailman?

I do also have a gmail account, and got the same message as you for the
second time.