On 26/01/2021 15:46, Ruben Safir wrote:
I am getting this strange rejections to talk to NYC government
Final-Recipient: rfc822; cdeut...@council.nyc.gov
Original-Recipient: rfc822;cdeut...@council.nyc.gov
Action: delayed
Status: 4.4.3
Diagnostic-Code: X-Postfix; delivery temporarily suspended: Host or
domain name
not found. Name service error for name=mx2.nycdoitt.iphmx.com
type=A: Host not found, try again
Will-Retry-Until: Sun, 31 Jan 2021 04:42:53 -0500 (EST)
dig mx2.nycdoitt.iphmx.com
;; ANSWER SECTION:
mx2.nycdoitt.iphmx.com. 3326 IN A 68.232.143.122
...
Check that your postfix instance can reach resolv.conf:
|# sudo -u postfix -H cat /etc/resolv.conf|
and that your postfix can use ipv4:
|# postconf inet_protocols|
