>Has anyone else been noticing these issues with emails from hotmail.com: > >"/var/log/maillog:Apr 20 14:01:36 prajna postfix/smtpd[84843]: NOQUEUE: >reject: RCPT from unknown[65.54.247.15]: 554 Client host rejected: cannot >find your hostname, [65.54.247.15]; from=<[EMAIL PROTECTED]> >to=<[EMAIL PROTECTED]> proto=ESMTP helo=<hotmail.com>" ?
The Class C belongs to MS, but they haven't set up the PTR records, must be too expensive. # dig -x 65.54.247.15 any ; <<>> DiG 9.2.3 <<>> -x 65.54.247.15 any ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11674 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;15.247.54.65.in-addr.arpa. IN ANY ;; AUTHORITY SECTION: 247.54.65.in-addr.arpa. 10800 IN SOA dns.cp.msft.net. msnhst.microsoft.com. 2004041401 1800 900 2419200 3600 So when we have a rule that requires envelope domain of hotmail to have a PTR record, MS screws us up. Len
