Date: Fri, 10 Jan 2003 18:16:40 +1300 From: Jonathan Chen <jonc@chen.org.nz> To: Steve Warwick <ukla@attbi.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: DNS / Sendmail Message-ID: <20030110051640.GA46442@grimoire.chen.org.nz> In-Reply-To: <BA435813.3FF5%ukla@attbi.com> References: <BA435813.3FF5%ukla@attbi.com>
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On Thu, Jan 09, 2003 at 04:47:15PM -0800, Steve Warwick wrote:
[...]
> I am using PHP to send email to the website users at they request (reminders
> etc). Apache runs as user nobody. Server is la.mylocalnet.com on
> 12.158.234.68 - DNS is on this server.
>
> I am getting bounces from bunch of ISPs with an error header like this
>
>
> ----- The following addresses had permanent fatal errors -----
> <example-emailaddress@examplehost.com>
> (reason: 550 rejected: cannot route to sender <nobody@la.mylocalnet.com>)
>
>
> I am assuming that the bounce is happening due to an incorrect reverse DNS -
> Am I correct?
It's a bit more basic than that:
> dig la.mylocalnet.com mx
; <<>> DiG 8.3 <<>> la.mylocalnet.com mx
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;; la.mylocalnet.com, type = MX, class = IN
;; ANSWER SECTION:
la.mylocalnet.com. 10h36m40s IN MX 10 la.mylocalnet.com.
;; AUTHORITY SECTION:
mylocalnet.com. 10h36m40s IN NS la.mylocalnet.com.
;; Total query time: 0 msec
;; FROM: xxxxxxxx.chen.org.nz to SERVER: default -- 0.0.0.0
;; WHEN: Fri Jan 10 18:14:57 2003
;; MSG SIZE sent: 35 rcvd: 65
There doesn't appear to be a A-record associated with your
la.mylocalnet.com entry.
--
Jonathan Chen <jonc@chen.org.nz>
----------------------------------------------------------------------
"A person should be able to do a small bit of everything,
specialisation is for insects"
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