From: Robert Felber (no email)
Date: Thu Jun 02 2005 - 03:26:38 EDT
On Thu, Jun 02, 2005 at 08:45:55AM +0200, Adrian von Bidder wrote:
> On Wednesday 01 June 2005 12.27, Simon Waters wrote:
>
> > So far there is no evidence that the greylisting is becoming less
> > effective with time, which was one of my concerns (minor concern - the
> > obvious solution involves using "rm" regularly).
>
> My concern with greylisting was that the spammers would catch up and start
> implementing queueing in their zombies.
queuing is not needed and would be too much programming overhead for
a spammer. The only thing a spammer would have to do is:
resend spam to his previous target list again after lets say 5-10 minutes.
What me more worries is, that services like yahoo hotmail and msn seem to
have some mystic deals with blacklists - but still allow sending of spam.
-- Robert Felber (EDV-Leitung) Autohaus Erich Kuttendreier Drosselweg 21 81827 Muenchen Tel: +49 (0) 89 / 453 12-86 Fax: +49 (0) 89 / 453 12-80 PGP: 896CF30B PGP-Fingerprint: A43A A57E ECF4 F80F FDFC 285A 0A7F B077 896C F30B
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