[afnog] SMTP server rejecting domain

[Mangaliso Jere]

Good people

The I have a client whose uses our SMTP server but lately in the logs
am getting the following and he cant even send mails

Jun  1 13:24:46 nyandeni sendmail[12526]: k51BOegj012526:
ruleset=check_mail, arg1=<asmwale at cedrisa.org>, relay=[196.45.190.62],
reject=451 4.1.8 Domain of sender address asmwale at cedrisa.org does not
resolve
Jun  1 13:24:47 nyandeni sendmail[12526]: k51BOegj012526:
from=<asmwale at cedrisa.org>, size=0, class=0, nrcpts=0, proto=SMTP,
daemon=MTA, relay=[196.45.190.62]
Jun  1 13:24:47 nyandeni sendmail[12526]: k51BOegk012526:
ruleset=check_mail, arg1=<asmwale at cedrisa.org>, relay=[196.45.190.62],
reject=451 4.1.8 Domain of sender address asmwale at cedrisa.org does not
resolve


When I do the following
dig cedrisa.org any

;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 62335
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cedrisa.org.                   IN      ANY

;; Query time: 560 msec
;; SERVER: 196.45.190.25#53(196.45.190.25)
;; WHEN: Fri Jun  2 15:50:15 2006
;; MSG SIZE  rcvd:




-- 
Mangaliso Jere
P/O Box 1120
Lilongwe
Malawi
(265)- 9 - 953079

Failure is an option -- it comes bundled with Windows.