East Village wrote: > So: > ns1.nameserver.com = 1.2.3.4 (my DNS server) > 1.2.3.4 = www.example.com (my ISP DNS server) . when sending e-mail make sure that the @domain corresponds with the reverse lookup IE/ test at example.com from [1.2.3.4] [4.3.2.1] = example.com