How to Fix Reverse DNS?

Ron Wingfield Tue, 22 Sep 2015 12:10:32 -0700

RE: BIND v9.10.2

I have recently converted from a "legacy" DSL service to AT&T's U-verse . . .has been a painful experience. Heretofore, the following from /var/named/named.conf

zone "233.202.162.in-addr.arpa" {
type master;
file "./zonefiles/db.233.202.162.rev";
};

. . .and the contents of the zone configuration file as follows:

$TTL 3h

@       IN      SOA archaxis.net.   root.archaxis.net. (
                          2015080601    ; Serial
                                3h      ; Refresh
                                1h      ; Retry
                                1w      ; Expire
                                1h )    ; Negative cashing TTL

        IN   NS   ns1.archaxis.net.
        IN   NS   ns2.archaxis.net.

1       IN   PTR archaxis.net.
1       IN   PTR ns1.archaxis.net.
1       IN   PTR ns2.archaxis.net.

AT&T (in all of their surliness) is rejecting email from my SMTP (SendMail) server and issuing the following typical complaint:

   ----- The following addresses had permanent fatal errors -----
<addressee-changed@sbcglobal.net>
    (reason: 550 5.7.1 Connections not accepted from servers without a valid sender domain.alph161 Fix reverse DNS for 162.202.233.81)


   ----- Transcript of session follows -----
... while talking to al-ip4-mx-vip1.prodigy.net.:

MAIL From:<ron.wingfi...@archaxis.net>

<<< 550 5.7.1 Connections not accepted from servers without a valid sender domain.alph161 Fix reverse DNS for 162.202.233.81
554 5.0.0 Service unavailable

I am at a loss for resolution of this problem. How am I supposed to "Fix reverse DNS"? The configuration scenario previously worked since 2002. Can someone suggest a fix?

Thanks,
Ron W.

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How to Fix Reverse DNS?

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