problems sending email to various domains

Mark Andrews 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 207.69.189.21 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: 205.165.189.183#53(205.165.189.183)
> ;; 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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