Have you checked your DNS? www.dnsreport.com I'm not sure I"m understanding you correctly, but there is no MX record for mwro.aspca.org
On Tue, Aug 26, 2008 at 3:39 PM, <[EMAIL PROTECTED]> wrote: > Greetings! > > We are the mid-west office of the ASPCA (Illinois). Our HQ is in NYC. Our > wires, DNS, etc are via AT&T. Their wires, DNS, etc are through > QualityTech. As NY is the parent office (to say nothing of older and > bigger), the QualityTech system is the SOA for ASPCA.ORG. For the > Illinois public addresses (including the IP address stamped onto all our > outgoing email), we have NS records on the QualityTech system pointing our > network (mwro.aspca.org) to the AT&T name servers. All had been well the > past several months... > > Last week, attempts to send mail to various corporations and educational > institutions has been bouncing. The headers of our bounce notices say > simply "Failed to connect to SMTP host COMPANY.COM because: Remote system > no longer responding" > > One company told us it is because the IP address is not resolving > properly... > > I have checked the DNS tables for QualityTech, and they do show "mwro" > being delegated to a pair of AT&T DNS servers. I have checked the DNS > tables for AT&T, and we do have records in both forward and reverse lookup > zones (br.mwro.aspca.org <-> 12.15.29.130). > > Any ideas (while I wait and wait and wait to talk to AT&T)? The Boss > suggests the "fix" for last month's "DNS Poisoning" might have "fixed" > things so that anything claiming to be from [anything].aspca.org must > resolve to a QualityTech address and not to an AT&T address. Still, I > don't see that we can do much to fix this... > > We are considering using a VPN tunnel to try to use a NY machine as an > outgoing SMTP server. What else might we try? > > Other folks experiencing this? > > Thanks!!!!! > -------------------------------------- > Richard McClary, Systems Administrator > ASPCA Knowledge Management > 1717 S Philo Rd, Ste 36, Urbana, IL 61802 > 217-337-9761 > http://www.aspca.org > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ > ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~ > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
