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

Re: [Asrg] The fundamental misconception about paying for mail [postage]



Rich Kulawiec wrote:
> On Sat, Nov 29, 2008 at 05:30:30PM -0600, mathew wrote:
>> Spammers could bypass all my spam filtering right now, and probably that of
>> many other people, if they could reliably automatically guess what mailing
>> lists their victims are on. Has anyone seen any evidence that they are
>> capable of doing so?
> 
> Yes.  I have spam-in-hand from multiple incidents.  And it is of course
> not necessary for them to guess, since they could (a) subscribe to those
> lists and harvest part of the subscriber list (b) grab the archives of
> [some] lists and harvest part of the subscriber list (c) go through the
> "address books" and stored mail on any zombied system and note any mailing
> list which any mail address in use on that system is subscribed to
> (d) go through any zombie which happens to be a mailing list server (e) etc.
> 
> So why don't we see more of it?  I suspect because it's not worth
> their trouble -- yet.

It certainly is, if only by way of zombied machines.

The users here getting the highest volumes of spam (in one case > 16,000
/day in bursts) have only one thing in common.

Membership in lots of IETF related activities, especially mailing lists.

The second most common attribute is membership in IEEE lists.
_______________________________________________
Asrg mailing list
Asrg at irtf.org
https://www.irtf.org/mailman/listinfo/asrg