Re: Spoof, Spam & Blacklist

["J. Lion" <jv4l1n4 () gmail com>]

That is what we thought as well. However company DEF is waaaaay bigger
than ABC, and trying to talk with the right group is almost
impossible.

Does anyone have any experience with getting your company off
blacklist example Yahoo - who or how to get in contact with the right
group?


On Feb 7, 2008 4:42 PM, AJ <heuristix () gmail com> wrote:
> The onus here is on Company DEF. If they do not understand that spam
> can be (and very often is) sent from spoofed addresses, that's the
> primary problem.
>
> If this blacklist is DEF's company blacklist you don't have any
> options other than trying to explain how spoofing works to DEF
> representatives and convincing them that this attack was indeed
> spoofed. If the blacklist is a public blacklist, you would complain to
> the owner/maintainer of the blacklist.
>
> As an email admin you should monitor public blacklists to alert you
> if/when IPs belonging to your company get added to one and then
> respond as warranted. If you are a trusted partner of DEF or do
> business with them, you may be able to convince them to whitelist the
> IP address(es) of your mail server(s) since IP addresses of
> uncompromised hosts cannot be spoofed in smtp transactions.
>
> Aarjav
>
>
> On Feb 7, 2008 2:27 PM, J. Lion <jv4l1n4 () gmail com> wrote:
> > Scenario
> > Bad Guy(s) spoof Company ABC email and launch spam on members of
> > popular search engine and online email provider (Company DEF)
> > Spammed DEF members reported the spam
> > Company DEF respond by looking up Company ABC's IPs and blacklisted
> > them (instead of offending IP address(es))
> >
> > Questions
> > How do you get Company ABC off DEF blacklist?
> > How do you prevent Company ABC from getting blacklisted again?