mbneto wrote:
> Hi,
>
> Some clever admin configured the MX of a domain pointing to
> server_01.domain.com.
>
> My users are unable to send email to that domain and attempts to contact the
> admin and tell him that _ is not allowed resulted in 'every body else
> works'.
>
> So, is there any workaround this issue?
>
> Regards.
domain.com shows up with two A RR's:
;; ANSWER SECTION:
domain.com. 3492 IN A 66.150.120.131
domain.com. 3492 IN A 216.34.94.184
conducive# dig any mx domain.com
The MX is on 66.150.120.140
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 0
;; QUESTION SECTION:
;domain.com. IN MX
;; ANSWER SECTION:
domain.com. 3600 IN MX 10 sentry.domainbank.com.
;; AUTHORITY SECTION:
domain.com. 60 IN NS ns1.dotsterhost.com.
domain.com. 60 IN NS ns3.dotsterhost.com.
domain.com. 60 IN NS ns2.dotsterhost.com.
;; Query time: 187 msec
;; SERVER: 202.85.128.32#53(202.85.128.32)
;; WHEN: Wed Apr 22 21:11:42 2009
;; MSG SIZE rcvd: 128
Suggest you simply Locally Blacklist it bothway.
End of problem.
Bill