[plug] cannot send mail to certain domains

[Jon Miller]

Hi Matt,
I've checked the /etc/resolv.conf (on SLES they put the file in /etc instead of where other distro may have it.
It does resolve both mail.mmtnetworks.com.au and mmtnetworks.com.au to the same IP address

; <<>> DiG 9.3.4 <<>> mmtnetworks.com.au
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 60691
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;mmtnetworks.com.au.            IN      A

;; ANSWER SECTION:
mmtnetworks.com.au.     86170   IN      A       203.153.225.77

;; Query time: 106 msec
;; SERVER: 139.130.4.4#53(139.130.4.4)
;; WHEN: Wed Feb  3 11:52:15 2010
;; MSG SIZE  rcvd: 52


; <<>> DiG 9.3.4 <<>> mail.mmtnetworks.com.au
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41109
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;mail.mmtnetworks.com.au.       IN      A

;; ANSWER SECTION:
mail.mmtnetworks.com.au. 86400  IN      A       203.153.225.77

;; Query time: 326 msec
;; SERVER: 139.130.4.4#53(139.130.4.4)
;; WHEN: Wed Feb  3 11:49:04 2010
;; MSG SIZE  rcvd: 57

I'm using both telstra (primary) and amnet (secondary) name servers for the resolv.conf.

when I send an email to myself from another location this is what I see in the logs:
Feb  3 11:58:36 mmtlnx postfix/smtpd[24887]: connect from mail.desborough.com.au[203.161.81.22]
Feb  3 11:58:37 mmtlnx postfix/smtpd[24887]: 260CB1E0E5: client=mail.desborough.com.au[203.161.81.22]
Feb  3 11:58:37 mmtlnx postfix/cleanup[24923]: 260CB1E0E5: hold: header Received: from mail.desborough.com.au (mail.desborough.com.au [203.161.81.22])??by mmtlnx.mmtnetworks.com.au (Postfix) with ESMTP id 260CB1E0E5??for <jlmiller at mmtnetworks.com.au>; Wed,  3 Feb 2010 11: from mail.desborough.com.au[203.161.81.22]; from=<jlmiller at desborough.com.au> to=<jlmiller at mmtnetworks.com.au> proto=ESMTP helo=<mail.desborough.com.au>
Feb  3 11:58:37 mmtlnx postfix/cleanup[24923]: 260CB1E0E5: hold: header Received: from ts1 (unknown [192.168.5.6])??by mail.desborough.com.au (Postfix) with ESMTP id 398731698F??for <jlmiller at mmtnetworks.com.au>; Wed,  3 Feb 2010 12:22:23 +0800 (WST) from mail.desborough.com.au[203.161.81.22]; from=<jlmiller at desborough.com.au> to=<jlmiller at mmtnetworks.com.au> proto=ESMTP helo=<mail.desborough.com.au>
Feb  3 11:58:37 mmtlnx postfix/cleanup[24923]: 260CB1E0E5: message-id=<003201caa485$8e0b47b0$0605a8c0 at healeyco.local>
Feb  3 11:58:37 mmtlnx postfix/smtpd[24887]: disconnect from mail.desborough.com.au[203.161.81.22]

The mail goes into the queue, but is not delivered.

Jon



> Date: Wed, 3 Feb 2010 11:34:46 +0800
> From: zombie at penguincare.com.au
> To: plug at plug.org.au
> Subject: Re: [plug] cannot send mail to certain domains
> 
> Hi Jon
> 
> On Mon, 1 Feb 2010, quoth Jon L Miller:
> 
> > Feb  1 11:28:15 mmtlnx postfix/smtp[31353]: EA83736CEB:
> > to=<maria_louisedking at yahoo.com>, relay=none, delay=7749, status=deferred
> > (Host or domain name not found. Name service error for name=yahoo.com
> > type=MX: Host not found, try again)
> 
> Your postfix is having trouble resolving these domains - check what 
> nameserver is being defined in /var/spool/postfix/etc/resolv.conf (which 
> is normally generated from /etc/resolv.conf upon postfix loading) and make 
> sure that nameserver is working correctly.  If necessary, change that to 
> another (eg your ISP's nameserver)
> 
>   - Matt
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://www.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.linux.org.au
 		 	   		  
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