Looks like you don't have a reverse dns rDNS (PTR record) for locustcreek.net
Don't PTR records only exist of IP addresses? If I was looking up locustcreek.net, wouldn't that be a DNS lookup, not an RDNS?
and that ns2.locustcreek.net has issues with it's connection (socket error) perhaps bad nic card.
Why do you say that? The message I'm sending is traveling out through that card.
