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 -----
> <[EMAIL PROTECTED]>
> (reason: 550 rejected: cannot route to sender <[EMAIL PROTECTED]>)
> 
> 
> 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 <[EMAIL PROTECTED]>
----------------------------------------------------------------------
             "A person should be able to do a small bit of everything,
                                        specialisation is for insects"

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