I have an email server DNS issue that I need advice on. When our
accounting software sends an email I get the following error:
01-01 02:26:24 DENIED_RDNS_MISSING from: [EMAIL PROTECTED]
to: [EMAIL PROTECTED] origin_ip: 192.168.1.19 origin_rdns:
(unknown) auth: (unknown)
01-01 02:26:24 DENIED_RDNS_MISSING from: [EMAIL PROTECTED]
to: [EMAIL PROTECTED] origin_ip: 192.168.1.19 origin_rdns:
(unknown) auth: (unknown)
I do not get a reverse dns from the mail server, but I do at our dhcp
server which is at 192.168.1.5. I have djbdns caching nameserver installed
with the following in resolve.conf
[EMAIL PROTECTED] ~]# cat /etc/resolv.conf
search ncs-ad.northlakechristian.org
nameserver 127.0.0.1
nameserver 192.168.1.5
nameserver 192.168.1.254
nameserver 207.29.223.56
nameserver 207.29.223.58
[EMAIL PROTECTED] ~]# dig @127.0.0.1 -x 192.168.1.19
; <<>> DiG 9.2.4 <<>> @127.0.0.1 -x 192.168.1.19
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6412
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;19.1.168.192.in-addr.arpa. IN PTR
;; Query time: 10 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sun Jan 1 02:27:07 2006
;; MSG SIZE rcvd: 43
[EMAIL PROTECTED] ~]# dig @192.168.1.5 -x 192.168.1.19
; <<>> DiG 9.2.4 <<>> @192.168.1.5 -x 192.168.1.19
; (1 server found)
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46267
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;19.1.168.192.in-addr.arpa. IN PTR
;; ANSWER SECTION:
19.1.168.192.in-addr.arpa. 1200 IN PTR
techdirector.ncs-ad.northlakechristian.org.
;; Query time: 28 msec
;; SERVER: 192.168.1.5#53(192.168.1.5)
;; WHEN: Sun Jan 1 02:29:48 2006
;; MSG SIZE rcvd: 99
Is it an djbdns configuration problem?
Kent Busbee
Director of Technology
Northlake Christian School
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