On Thu, 28 Sep 2000, Phil Randal wrote:
> When I was researching the use of ORBS and MAPS a few weeks
> back, my first thought was that the DUL would unfairly block Linux
> users running Sendmail. Looks like that's true.
> The DUL's rationale is very suspect. The logic goes... Some
> spammers use SMTP from their dial-up PCs to send spam, so we'll
> block their ISP's dial-up address ranges. Not to worry, because
> legitimate users will relay through their ISP's mail servers.
You forgot about the lusers with open relays on hands. MAPS and ORBS can't
handle that. And yes, it's serious - scanning the large range for open
relays is trivial. Unfortunately, it scales well and spamware doing
exactly that exists and is used. 30 56K links => T1...
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Sep 30 2000 - 21:00:23 EST