I see this in our maillog: Jan 30 11:15:47 inet08 postfix-p25/smtpd[4796]: NOQUEUE: reject: RCPT from unknown[69.17.131.33]: 450 4.7.1 <mail4OA.4office.com>: Helo command rejected: Host not found; from=<x...@4office.com> to=<y...@harte-lyne.ca> proto=ESMTP helo=<mail4OA.4office.com>
dig -x 69.17.131.33 ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.30.rc1.el6_6.1 <<>> -x 69.17.131.33 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28665 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;33.131.17.69.in-addr.arpa. IN PTR ;; ANSWER SECTION: 33.131.17.69.in-addr.arpa. 19371 IN PTR mail4oa.4office.com. The dig was run on the host rejecting the mail. Any ideas as to what is happening here? Am I missing something obvious? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:byrn...@harte-lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3
