Oct 9 01:33:29 net2 sendmail[20693]: e98NXSX20693: ruleset=check_rcpt, arg1=, relay=ip2.phoenix.az.pub-ip.psi.net [38.11.190.2], reject=550 5.7.1 ... Relaying denied Oct 9 01:33:29 net2 sendmail[20693]: e98NXSX20693: from=, size=0, class=0, nrcpts=0, proto=SMTP, daemon=MTA, relay=ip2.phoenix.az.pub-ip.psi.net [38.11.190.2]