A query to help educate me. Feel free to flame away; the week is young. Every site should accept/respond to "postmaster" -- T/F? Or is it "Every site running mail".... Or every box running mail? IOW: Which of the following are required vice recommended vice best practives, etc. a) postmaster@example.com b) postmaster@mail.example.com c) postmaster@wizzbang.example.com d) postmaster@pop.example.com e) postmaster@cisco.example.com and most important to me: where to I go to justify the decisions on same? -- A host is a host from coast to coast.................wb8foz@nrk.com & no one will talk to a host that's close........[v].(301) 56-LINUX Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433