[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Arrogant RBL list maintainers



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 [email protected]
> ?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)