Bugtraq mailing list archives
Re: Is predictable spam filtering a vulnerability? (silently dropping messages)
From: der Mouse <mouse () Rodents Montreal QC CA>
Date: Fri, 25 Jun 2004 15:49:27 -0400 (EDT)
A 5xx failure code is a lot more friendly than actually generating a DSN.Well, you're causing the sending/relaying host to generate the DSN.
Only if the sending host is running a real MTA. If it's ratware talking to you, it won't do anything of the sort. _That_ is the real gain of an SMTP-layer rejection over accept-and-bounce: it doesn't generate DSNs when talking to ratware.
Quite possibly back to some sod who has been joe-jobbed.
But in that respect it's no worse than generating a DSN yourself. Better sometimes and no worse the other times - sounds like a win. /~\ The ASCII der Mouse \ / Ribbon Campaign X Against HTML mouse () rodents montreal qc ca / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B
Current thread:
- Re: Is predictable spam filtering a vulnerability? (silently dropping messages), (continued)
- Re: Is predictable spam filtering a vulnerability? (silently dropping messages) der Mouse (Jun 24)
- Re: Is predictable spam filtering a vulnerability? (silently dropping messages) Valdis . Kletnieks (Jun 24)
- Re: Is predictable spam filtering a vulnerability? Luca Berra (Jun 22)
- Re: Is predictable spam filtering a vulnerability? Sean Straw / PSE (Jun 24)
- Re: Is predictable spam filtering a vulnerability? John Fitzgibbon (Jun 24)
- Re: Is predictable spam filtering a vulnerability? Sean Straw / PSE (Jun 25)
- Re: Is predictable spam filtering a vulnerability? The Fungi (Jun 25)
- Re: Is predictable spam filtering a vulnerability? Valdis . Kletnieks (Jun 24)
- Re: Is predictable spam filtering a vulnerability? Michael A. Dickerson (Jun 24)
- Message not available
- Re: Is predictable spam filtering a vulnerability? (silently dropping messages) Sean Straw / PSE (Jun 24)
- Re: Is predictable spam filtering a vulnerability? (silently dropping messages) der Mouse (Jun 25)
- Re: Is predictable spam filtering a vulnerability? (silently dropping messages) Seth Breidbart (Jun 25)
- Re: Is predictable spam filtering a vulnerability? Crispin Cowan (Jun 22)
- [OT] Safe spam filtering methods (was: Is predictable spam filtering a vulnerability?) The Fungi (Jun 22)
- Re: Is predictable spam filtering a vulnerability? Phil Barnett (Jun 23)