[Cialug] OT - maybe - out-going e-mail address blacklist ???

[David Champion]

The Fortinet firewalls have egress filtering, can do based on content as
Nate mentioned and various other models. We have this in place for some
clients.
-dc
On Jul 24, 2012 8:45 AM, "Nathan C. Smith" <nathan.smith at ipmvs.com> wrote:

> A lot of the tools available to companies to manage information loss look
> for and block specific information such as Social Security numbers and
> credit card numbers etc.  In my admittedly limited experience, these are
> challenging to use for anything other than the most basic cases.
>
> -Nate
>
>
> -----Original Message-----
> From: cialug-bounces at cialug.org [mailto:cialug-bounces at cialug.org] On
> Behalf Of Rob Miller
> Sent: Tuesday, July 24, 2012 2:31 AM
> To: Central Iowa Linux Users Group
> Subject: [Cialug] OT - maybe - out-going e-mail address blacklist ???
>
> Every once-in-a-while I have a curious idea that I'm not sure to which I
> can find the answer.  I do know that someone on this list will know the
> answer.
>
> Is there a corporate e-mail system like Exchange or some other part of a
> network like the firewall that has a feature that would block an out-going
> e-mail message being sent to a specific address? I'm thinking this might be
> described as an out-going blacklist or a reverse blacklist.  I'm thinking
> that this might be of interest to info security managers and paranoid
> corporate types so that employees would be blocked from sending corporate
> secrets immediately and directly to an address within a competitor's
> network or to a media outlet.  Maybe a government organization would want
> to prevent an employee from sending messages to jassaunge at wikidrips.orgor using an anonymous remailing service like who remembers "
> anon.penet.fi" ???
>
> An even cooler concept would be some type of routing code that could be
> added to a message as it was leaving its home network that would prevent
> anyone from forwarding the message to specific addresses.  I guess that
> would solve the problem of a message being sent to an anonymous remailer.
>
> TIA for any replies, discussion, etc.
>
> Rob Miller
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