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

Re: Someone tell this dude...

On Thu, 2005-04-07 at 10:42, David Hoffman wrote:
> On Apr 6, 2005 11:06 PM, micheal <sundance sundanceloki com> wrote:
> > Just for fun I wonder what would happen if two accounts with the same
> > set up would e-mail each other,  Would they challenge each other into
> > oblivion?
> That would depend on which challenge/response system you are using.
> TMDA won't do that because it injects an "X" header into the message,
> and will check for the existence of that header before processing it.
> So if you send a message from a TMDA enabled account to another TMDA
> enabled account, the recipient will send a challenge message back to
> you, but your TMDA is smart enough to know that it was a challenge
> message and will not bounce another challenge back again.

And it lets the "challenge" message go through?

Seems like a spammer interested in reaching out to people using TMDA
would then just add the appropriate X header to the spam message which
should allow it to get through undetected.  


Seems like an easily circumscribed system.

Scot L. Harris
webid cfl rr com

Booze is the answer.  I don't remember the question. 

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