[Glastonbury] Downgrading with apt-get

[tim hall]

Hi,

On Wednesday 24 September 2003 15:43, Martin WHEELER wrote:
> Have you thought of joining the debian-uk mailing list?  (Low traffic,
> low noise, instant access to mountains of expertise, mainly from
> developers themselves -- Debian UK <debian-uk at chiark.greenend.org.uk>)

I tried this and keep getting my mails returned with peramanent fatal errors 
like this:
 (reason: 550 reverse DNS: 213.232.90.61: 213.232.90.61 -> 
unassigned.Serverstream.net -> Error during DNS A lookup for 
unassigned.serverstream.net: No such domain [Irritated])

Any clues?

tim hall