LinuxSA Mailing list archives

  From: Adam W <woja@optushome.com.au>
  To  : Martin Sandiford <ms@mcdev.com.au>
        Daryl Tester <Daryl.Tester@iocane.com.au>
  Date: Fri, 11 May 2001 18:57:09 +1000

RE: MX Records/Dyn DNS

I thought this may be the case, but was never sure!

thanx for the clarification!

Adam W.

> -----Original Message-----
> From: Martin Sandiford [mailto:ms@mcdev.com.au]
> Sent: Friday, May 11, 2001 9:17 AM
> To: Daryl Tester
> Cc: Adam W; linuxsa@linuxsa.org.au
> Subject: Re: MX Records/Dyn DNS
> 
> 
> On Thu, 10 May 2001, Daryl.Tester@iocane.com.au wrote:
> > Adam W wrote:
> > 
> >> I have been playing around with the MX records on DYN Dns, and still
> >> i am not able to recieve any e-mail for my Dyn DNS domain.
> > 
> > Probably[1] because ...
> 
> [...]
> 
> > And my firewall shows me ...
> > 
> > [root@zen /root]# tcpdump -ni ppp0 icmp Kernel filter, protocol ALL,
> > datagram packet socket tcpdump: listening on ppp0 23:28:58.540100 <
> > 203.164.20.100 > 203.54.161.168: icmp: host 203.164.16.111 unreachable
> > - admin prohibited filter
> > 
> > Quite clear.
> 
> What may not be clear to some is that this means that optus is
> administratively blocking (i.e. firewalling) incoming connections on the
> SMTP port at the 203.164.20.100 host
> (ubr1.carlnfd1.nsw.optushome.com.au).
> 
> Time to check the terms of your service :(
> 
> Regards,
> Martin
> 
> -- 

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