Re: Arrogant RBL list maintainers

[Suresh Ramasubramanian <ops.lists () gmail com>]

Security by obscurity, in this day and age? :)

On Wed, Dec 16, 2009 at 11:42 AM, James Hess <mysidia () 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 () gmail com)