problems sending email to various domains
Mark_Andrews at isc.org
Mon Jan 29 21:44:12 UTC 2007
> We're having issues sending email to various domains - they are returned
> with a message:
> These recipients did not receive the message:
> ann at ipa.net
> This is why I was unable to deliver your message:
> Remote mail server at 184.108.40.206 replied: 550 Authentication required.
> Help at http://www.earthlink.net/go/emailsettings
> We see these messages when we try to send to ipa.net, mindspring.com, and
> even earthlink.net. We see them when trying to send to yahoogroups. And
> we even seen them when trying to mail to various state.tx.us addresses.
> In fact, I'm unable to send to this list at isc.org. I had to subscribe
> to the list under a different email address to be able to post this.
> A "dig ipa.net mx" returns:
> ; <<>> DiG 9.2.4 <<>> ipa.net mx
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49491
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 0
Note there is no "ra" flag set here. Recursion is disabled
in your default nameserver(s). Recursion must be allowed by
the servers listed in /etc/resolv.conf for this client.
> ;; QUESTION SECTION:
> ;ipa.net. IN MX
> ;; AUTHORITY SECTION:
> . 518400 IN NS D.ROOT-SERVERS.net.
> . 518400 IN NS E.ROOT-SERVERS.net.
> . 518400 IN NS F.ROOT-SERVERS.net.
> . 518400 IN NS G.ROOT-SERVERS.net.
> . 518400 IN NS H.ROOT-SERVERS.net.
> . 518400 IN NS I.ROOT-SERVERS.net.
> . 518400 IN NS J.ROOT-SERVERS.net.
> . 518400 IN NS K.ROOT-SERVERS.net.
> . 518400 IN NS L.ROOT-SERVERS.net.
> . 518400 IN NS M.ROOT-SERVERS.net.
> . 518400 IN NS A.ROOT-SERVERS.net.
> . 518400 IN NS B.ROOT-SERVERS.net.
> . 518400 IN NS C.ROOT-SERVERS.net.
> ;; Query time: 3 msec
> ;; SERVER: 220.127.116.11#53(18.104.22.168)
> ;; WHEN: Mon Jan 29 08:14:36 2007
> ;; MSG SIZE rcvd: 233
> Is this a DNS problem on my end, or on the other end? We're running bind
> 9.3.4. I'm assuming it's on my end, since I can go to dnsstuff.com and
> don't see a problem when doing a lookup on the mx records. But I'm
> clueless as to how to fix the problem.
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews at isc.org
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