Re: Unexpected reject messages

2015-01-30 Thread James B. Byrne
On Fri, January 30, 2015 11:52, Noel Jones wrote: On 1/30/2015 10:41 AM, James B. Byrne wrote: 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;

Re: Unexpected reject messages

2015-01-30 Thread Viktor Dukhovni
On Fri, Jan 30, 2015 at 11:56:27AM -0500, James B. Byrne wrote: 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

Unexpected reject messages

2015-01-30 Thread James B. Byrne
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

Re: Unexpected reject messages

2015-01-30 Thread Noel Jones
On 1/30/2015 10:41 AM, James B. Byrne wrote: 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