JM provided IRS Inpsector message Number 5, which is earlier than the four I posted a while ago: Return-Path: <owner-pdg@ifi.uio.no> Date: Thu, 17 Jul 1997 12:25:26 -0400 From: IRS Inspection <irsnwpr@net.insp.irs.gov> Message-Id: <199707171625.MAA02707@net.insp.irs.gov> Starting with these 5 we'll put the full message headers we get at: http://jya.com/irs-header.txt And post here the brief version. JM also provided Treasury's mail echangers:
Checking DNS for MX records for net.insp.irs.gov indicate (as shown below) three mail exchangers:
QUESTIONS: net.insp.irs.gov, type = MX, class = IN
ANSWERS:
-> net.insp.irs.gov MX preference = 20, mail exchanger = tcs-gateway1.treas.gov ttl = 86400 (1 day)
-> net.insp.irs.gov MX preference = 30, mail exchanger = gotcha.treas.gov ttl = 86400 (1 day)
-> net.insp.irs.gov MX preference = 10, mail exchanger = tcs-gateway2.treas.gov ttl = 86400 (1 day)