Hey Jim, this has been going on for weeks now - you need to fix your PTRs...
May 3 19:12:12 mx2 sm-mta[97105]: h440CBD6097105: ruleset=check_mail,
arg1=,
relay=root@[207.200.56.4], reject=451 4.1.8 Domain of sender address
owner-cypherpunks-outgoing@einstein.ssz.com does not resolve
May 3 19:13:57 mx2
sm-mta[97104]: h440BtD6097104: from=,
size=3267, class=0, nrcpts=0, proto=ESMTP, daemon=MTA,
relay=root@[207.200.56.4]
May 3 19:13:57 mx2 sm-mta[97104]: h440BtD7097104: ruleset=check_mail,
arg1=,
relay=root@[207.200.56.4], reject=451 4.1.8 Domain of sender address
owner-cypherpunks-outgoing@einstein.ssz.com does not resolve
May 3 19:13:58 mx2
sm-mta[97104]: h440BtD7097104: from=,
size=7093, class=0, nrcpts=0, proto=ESMTP, daemon=MTA,
relay=root@[207.200.56.4]
May 3 19:14:13 mx2
sm-mta[97105]: h440CBD6097105: from=,
size=2502, class=0, nrcpts=0, proto=ESMTP, daemon=MTA,
relay=root@[207.200.56.4]
May 3 19:18:46 mx2 sm-mta[97134]: h440IjD6097134: ruleset=check_mail,
arg1=,
relay=root@[207.200.56.4], reject=451 4.1.8 Domain of sender address
owner-cypherpunks-outgoing@einstein.ssz.com does not resolve
May 3 19:18:49 mx2 sm-mta[97135]: h440InD6097135: ruleset=check_mail,
arg1=,
relay=root@[207.200.56.4], reject=451 4.1.8 Domain of sender address
owner-cypherpunks-outgoing@einstein.ssz.com does not resolve
May 3 19:18:49 mx2
sm-mta[97135]: h440InD6097135: from=,
size=11356, class=0, nrcpts=0, proto=ESMTP, daemon=MTA,
relay=root@[207.200.56.4]
May 3 19:18:57 mx2 sm-mta[97136]: h440IuD6097136: ruleset=check_mail,
arg1=,
relay=root@[207.200.56.4], reject=451 4.1.8 Domain of sender address
owner-cypherpunks-outgoing@einstein.ssz.com does not resolve
May 3 19:19:14 mx2 sm-mta[97145]: h440JED6097145: ruleset=check_mail,
arg1=,
relay=root@[207.200.56.4], reject=451 4.1.8 Domain of sender address
owner-cypherpunks-outgoing@einstein.ssz.com does not resolve
su-2.05b# nslookup einstein.ssz.co
--
Yours,
J.A. Terranson
sysadmin@mfn.org