In response to "Phil Howard":
>> 207.173.200.206? We aren't using that server for relaying ... we
>> *are* using: 207.173.200.143, which does reverse:
>> %nslookup 207.173.200.143
>> Server: neptune.hub.org
>> Address: 64.117.224.130
>> Name: hosting.commandprompt.com
>> Address: 207.173.200.143
>> Joshua, are there multiple IPs on that box that he might be seeing?
> Then is 207.173.200.206 a spammer running Sendmail and faking these
> mailing lists?
FWIIW server response through Telnet:
220 localhost.localdomain ESMTP Sendmail 8.11.6/8.11.6; Sat, 9 Aug 2003
16:00:03 -0700
HansH