[120098] in North American Network Operators' Group

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Re: Arrogant RBL list maintainers

daemon@ATHENA.MIT.EDU (Michael Holstein)
Wed Dec 9 14:49:05 2009

Date: Wed, 09 Dec 2009 14:48:28 -0500
From: Michael Holstein <michael.holstein@csuohio.edu>
To: Seth Mattinen <sethm@rollernet.us>
In-Reply-To: <4B1FF933.8030200@rollernet.us>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


> One could argue that you are *not* complying by using a generic PTR
> for a mail server. Some would say that a serious mail server should
> have proper DNS records, others will say that you should accept mail
> from any IP no matter what.

No, we do have it correct .. they wanted us to fix all the *other* ones
(that can't even send mail because they're firewalled from doing so) ..

$ dig -t mx csuohio.edu
[..]
;; ANSWER SECTION:
csuohio.edu.        10800    IN    MX    10 antispam5.csuohio.edu.
csuohio.edu.        10800    IN    MX    10 antispam4.csuohio.edu.
csuohio.edu.        10800    IN    MX    10 antispam3.csuohio.edu.
csuohio.edu.        10800    IN    MX    10 antispam2.csuohio.edu.
[..]
;; ADDITIONAL SECTION:
antispam5.csuohio.edu.    10800    IN    A    137.148.19.13
antispam4.csuohio.edu.    10800    IN    A    137.148.18.13
antispam3.csuohio.edu.    10800    IN    A    137.148.18.21
antispam2.csuohio.edu.    10800    IN    A    137.148.19.12

(and)

13.19.148.137.in-addr.arpa domain name pointer antispam5.csuohio.edu.
13.18.148.137.in-addr.arpa domain name pointer antispam4.csuohio.edu.
21.18.148.137.in-addr.arpa domain name pointer antispam3.csuohio.edu.
12.19.148.137.in-addr.arpa domain name pointer antispam2.csuohio.edu.

Cheers,

Michael Holstein
Cleveland State University



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