Re: Arrogant RBL list maintainers

[Seth Mattinen <sethm () rollernet us>]

Michael Holstein wrote:
> 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.

Ah, I must have misread. Yeah that's pretty much the accepted way to do 
DNS for mail servers.

~Seth