sendmail пишет следующее в логах:
... relay=mail.cas.co.kr., dsn=4.0.0, stat=Deferred: Name server: mail.cas.co.kr.: host name lookup failure
хотя mail.cas.co.kr резолвится и пингуется.
dig cas.co.kr any
; <<>> DiG 9.3.4-P1 <<>> cas.co.kr any
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 8436
;; flags: qr rd ra; QUERY: 1, ANSWER: 13, AUTHORITY: 1, ADDITIONAL: 2
;; QUESTION SECTION:
;cas.co.kr. IN ANY
;; ANSWER SECTION:
cas.co.kr. 79566 IN MX 10 mail.cas.co.kr.
cas.co.kr. 79566 IN TXT "v=spf1 ip4:210.113.52.69 -all"
cas.co.kr. 79566 IN A 210.113.52.67
cas.co.kr. 79566 IN A 210.113.52.69
cas.co.kr. 79566 IN A 211.189.18.22
cas.co.kr. 79566 IN A 10.10.0.205
cas.co.kr. 79566 IN A 10.10.10.20
cas.co.kr. 79566 IN A 210.113.51.10
cas.co.kr. 79566 IN A 210.113.51.11
cas.co.kr. 79566 IN A 210.113.51.20
cas.co.kr. 79566 IN A 210.113.51.205
cas.co.kr. 79566 IN SOA ns.cas.co.kr. root.cas.co.kr. 2007061701 10800 3600 604800 86400
cas.co.kr. 79566 IN NS ns.cas.co.kr.
;; AUTHORITY SECTION:
cas.co.kr. 79566 IN NS ns.cas.co.kr.
;; ADDITIONAL SECTION:
mail.cas.co.kr. 79566 IN A 210.113.52.69
ns.cas.co.kr. 79611 IN A 210.113.52.69
dig mail.cas.co.kr
; <<>> DiG 9.3.4-P1 <<>> mail.cas.co.kr
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 24844
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1
;; QUESTION SECTION:
;mail.cas.co.kr. IN A
;; ANSWER SECTION:
mail.cas.co.kr. 78458 IN A 210.113.52.69
;; AUTHORITY SECTION:
cas.co.kr. 78458 IN NS ns.cas.co.kr.
;; ADDITIONAL SECTION:
ns.cas.co.kr. 78503 IN A 210.113.52.69
;; Query time: 1 msec
;; SERVER: 192.168.0.55#53(192.168.0.55)
;; WHEN: Thu May 29 14:35:11 2008
;; MSG SIZE rcvd: 81
192.168.0.55 - локальный кеширующий ДНС.dig -x 210.113.52.69
; <<>> DiG 9.3.4-P1 <<>> -x 210.113.52.69
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 11361
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION:
;69.52.113.210.in-addr.arpa. IN PTR
;; ANSWER SECTION:
69.52.113.210.in-addr.arpa. 35248 IN PTR mail.cas.co.kr.
;; AUTHORITY SECTION:
52.113.210.in-addr.arpa. 35248 IN NS rev1.kornet.net.
52.113.210.in-addr.arpa. 35248 IN NS rev2.kornet.net.
;; Query time: 1 msec
;; SERVER: 192.168.0.55#53(192.168.0.55)
;; WHEN: Thu May 29 14:35:48 2008
;; MSG SIZE rcvd: 120
На другие сервера почта уходит.
В чем может быть проблема?
ЗЫ. Кстати, меня смущают еще те десятки в записи зоны cas.co.kr.