Arrogant RBL list maintainers
Suresh Ramasubramanian
ops.lists at gmail.com
Wed Dec 16 07:30:42 UTC 2009
Security by obscurity, in this day and age? :)
On Wed, Dec 16, 2009 at 11:42 AM, James Hess <mysidia at gmail.com> wrote:
> As is common for many domains.
> Spammers coming in by scanning large ranges of IPs, have no
> pointer to report the mailserver they discovered is @example.com
> inbound (or outbound) mail.
>
> Since the RDNS domain is different, and in fact generic, which helps
> avoid assisting the spammer in identifying the IP as an inbound
> mail server.
--
Suresh Ramasubramanian (ops.lists at gmail.com)
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