From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] opposite of bloom filter
Date: Sat, 13 Nov 2010 17:48:39 -0500 [thread overview]
Message-ID: <c33dc91f45fde87d127bb6605d5c2fae@plug.quanstro.net> (raw)
In-Reply-To: <9044d05fde9cdc14ad57d9abe18152b2@gandalf.orthanc.ca>
On Sat Nov 13 17:28:09 EST 2010, lyndon@orthanc.ca wrote:
> > The purpose is allowing an spooling (store+forward) mail relay
> > to learn which addresses are not accepted by the actual maildrop
> > (which is connected by an uucp-link, so no direct smtp chat),
> > to get rid of the thousands silly error bounces from brute force
> > attacks on email addresses.
>
> Very(!) interesting approach to this. I still transfer large chunks
> of my mail over UUCP, so this is a problem I face daily. I'd appreciate
> being kept in the loop for anything you find out. (And collaborating on
> a solution.)
spammers have a solution to this. they send to random hashes,
e.g.
ladd Nov 13 04:08:12 Disallowed gossinternational.com!ruiohfsd (gossinternational.com/124.172.212.142) to blocked name quanstro.net!b94cd358e11d3ffb43628c10bc786087
i think the idea of spooling email is largely discredited.
it opens up the possiblity for backscatter spam, or the lack of
delivery rejection notification. either one is not good. i think the
acepting smtp server has to be in a position to make a definitive
decision on disposition. (sorry.)
- erik
next prev parent reply other threads:[~2010-11-13 22:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-13 18:43 Enrico Weigelt
2010-11-13 22:26 ` Lyndon Nerenberg (VE6BBM/VE7TFX)
2010-11-13 22:48 ` erik quanstrom [this message]
2010-11-13 23:10 ` Lyndon Nerenberg (VE6BBM/VE7TFX)
2010-11-14 2:52 ` Bruce Ellis
2010-11-14 2:54 ` Bruce Ellis
2010-11-14 2:56 ` Bruce Ellis
2010-11-13 22:31 ` Russ Cox
2010-11-13 22:38 ` Lyndon Nerenberg (VE6BBM/VE7TFX)
2010-11-13 23:15 ` Russ Cox
2010-11-13 23:20 ` erik quanstrom
2010-11-13 23:28 ` Lyndon Nerenberg (VE6BBM/VE7TFX)
2010-11-13 23:46 ` erik quanstrom
2010-11-13 23:51 ` Lyndon Nerenberg (VE6BBM/VE7TFX)
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