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Date:      Wed, 10 Feb 2016 08:35:41 -0800
From:      David Christensen <dpchrist@holgerdanske.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Fwd: PC-BSD 10.2, starting X, vm_fault: pager read error, pid XXXX (PCDM-session)
Message-ID:  <56BB66DD.1020105@holgerdanske.com>
In-Reply-To: <20160210143351.GA4730@OBSD.my.domain>
References:  <56BAB26C.70600@holgerdanske.com> <56BABC02.50208@holgerdanske.com> <20160210143351.GA4730@OBSD.my.domain>

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On 02/10/2016 06:33 AM, Dutch Ingraham wrote:
> I don't see any posts under your name on the mailing list archives for
> the past three months.  Maybe there is some issue with your subscription
> (or you are posting under a different moniker)?

According to the PC-BSD "Testing" list, I am subscribed:

-------- Forwarded Message --------
Subject: Welcome to the "Testing" mailing list
Date: Wed, 27 Jan 2016 15:51:55 -0800
From: testing-request@lists.pcbsd.org
To: dpchrist@XXXXXXXXXXXX.XXX

Welcome to the Testing@lists.pcbsd.org mailing list!

To post to this list, send your message to:

testing@lists.pcbsd.org
-------- End Forwarded Message --------


I have domain hosting through he.net, which includes e-mail service. 
When I try to post to the list, he.net's mail server complains several 
hours later:

-------- Forwarded Message --------
Subject: DSN: delayed (PC-BSD download and mailing list servers)
Date: Thu, 4 Feb 2016 00:58:03 -0800
From: Mailbot for holgerdanske.com <>
To: dpchrist@XXXXXXXXXXXX.XXX


This is a Delivery Status Notification (DSN).

After several attempts,
I still haven't been able to deliver your message to
testing@lists.pcbsd.org.
I will keep trying for a few more days,
but I thought you would want to know.

The error was;
   Can't resolve domain "lists.pcbsd.org"
-------- End Forwarded Message --------


Eventually I receive a failure message:

-------- Forwarded Message --------
Subject: DSN: failed (PC-BSD download and mailing list servers)
Date: Fri, 5 Feb 2016 03:58:40 -0800
From: Mailbot for holgerdanske.com <>
To: dpchrist@XXXXXXXXXXXX.XXX


This is a Delivery Status Notification (DSN).

I was unable to deliver your message to
testing@lists.pcbsd.org.

The error was;
   Can't resolve domain "lists.pcbsd.org"
-------- End Forwarded Message --------


he.net support investigated and found DNS problems:

-------- Forwarded Message --------
Subject: [HE#3043255] Re: Unable to post to testing@lists.pcbsd.org
Date: Thu, 4 Feb 2016 19:47:53 -0800
From: Russ XXXXX <support@XX.XXX>
Reply-To: support@XX.XXX
To: David Christensen <dpchrist@XXXXXXXXXXXX.XXX>

Hello David,

Email services test out fine. I believe this email address is not
properly formed; there is no MX record for lists.pcbsd.org, only a CNAME
pointing to lists.ixsystems.com. (which has no MX record).

Regards,

Russ XXXXX
HE Support
-------- End Forwarded Message --------


I notified the list owner, who replied:

-------- Forwarded Message --------
Subject: Re: Fwd: [HE#3043255] Re: Unable to post to testing@lists.pcbsd.org
Date: Sat, 6 Feb 2016 08:58:44 -0500
From: Kris XXXXX <kris@XXXXX.XXX>
To: David Christensen <dpchrist@XXXXXXXXXXXX.XXX>


Thanks for the report! I've sent it along to our sysadmin team, they
should look at it shortly.
-------- End Forwarded Message --------


When I look up MX records now, I see:

$ dig lists.pcbsd.org MX

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> lists.pcbsd.org MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18462
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;lists.pcbsd.org.		IN	MX

;; ANSWER SECTION:
lists.pcbsd.org.	7200	IN	CNAME	lists.ixsystems.com.
lists.ixsystems.com.	7200	IN	MX	10 mail.ixsystems.com.

;; Query time: 36 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Wed Feb 10 08:21:29 2016
;; MSG SIZE  rcvd: 87

$ dig lists.ixsystems.com MX

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> lists.ixsystems.com MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34865
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;lists.ixsystems.com.		IN	MX

;; ANSWER SECTION:
lists.ixsystems.com.	7200	IN	MX	10 mail.ixsystems.com.

;; Query time: 33 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Wed Feb 10 08:22:10 2016
;; MSG SIZE  rcvd: 58

$ dig mail.ixsystems.com MX

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> mail.ixsystems.com MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 13911
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;mail.ixsystems.com.		IN	MX

;; AUTHORITY SECTION:
ixsystems.com.		10800	IN	SOA	ns1.ixsystems.com. 
hostmaster.ixsystems.com. 2016020700 28800 7200 1209600 86400

;; Query time: 32 msec
;; SERVER: 192.168.1.254#53(192.168.1.254)
;; WHEN: Wed Feb 10 08:22:26 2016
;; MSG SIZE  rcvd: 87


So:

1.  Mail for lists.pcbsd.org is supposed to go to lists.ixsystems.com.

2.  Mail for lists.ixsystems.com is supposed to go to mail.ixsystems.com.

3.  But, there is no MX record for mail.ixsystems.com.


I believe the solution is for the ixsystems.com DNS administrator to add 
an MX record for mail.ixsystems.com.


David




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