And the SMTP server doesn’t need to listen on IPv6 if it isn’t going to accept messages over that transport. Talk about a way to DoS yourself.
-- Mark Andrews > On 30 Apr 2024, at 06:19, Lee <ler...@gmail.com> wrote: > > On Sun, Apr 28, 2024 at 2:18 AM Walter H. via bind-users > <bind-users@lists.isc.org> wrote: > > something that I replied to and got this in response: > > Error Icon > Message blocked > Your message to Walter.H@[..snip..] has been blocked. See technical > details below for more information. > > The response from the remote server was: > 554 5.7.1 : Client host rejected: Use IPv4 > > > > Which is strangely appropriate when trying to troubleshoot an issue > that applies only to IPv6. > But I've forgotten how to turn off IPv6 :( > -- > Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from > this list > > ISC funds the development of this software with paid support subscriptions. > Contact us at https://www.isc.org/contact/ for more information. > > > bind-users mailing list > bind-users@lists.isc.org > https://lists.isc.org/mailman/listinfo/bind-users -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users