[DB-SIG] List spam
Kevin Cole
kjcole@gri.gallaudet.edu
Tue, 6 Nov 2001 10:36:42 -0500 (EST)
Is Mailman's restriction in place regarding the number of folks on the
To: and CC: lines? (Two or three would seem like a good number.) I know
it ain't much, and I assume it's a given, but it doesn't hurt to ask.
On Tue, 6 Nov 2001 akuchlin@mems-exchange.org wrote:
> On Tue, Nov 06, 2001 at 09:43:42AM +0100, M.-A. Lemburg wrote:
> >I've seen spammers sign up on mailing lists too recently -- they
> >seem to have found out how to do this programmatically. In the end
>
> Uh oh... I've requested notifications of all subscribes/unsubscribes
> be sent to my mailbox, so I can keep an eye on any suspicious new
> members.
>
> >A much better idea would be to add more spam protection to the
> >Mailman installation at python.org, so that messages from non-members
> >which have a high spam level are first passed to the moderator
> >for approval *before* going to the list.
>
> What does "high spam level" mean? Messages to the list aren't likely
> to be sent through an open relay or directly from a dialup, so those
> features can't be used for spam detection. Every member's first post
> could require moderation, but that would require code changes to
> Mailman.
>
> (Maybe this isn't a serious problem. Spammers live on volume,
> trying to reach as many addresses as possible. Waiting to receive a
> confirmation, responding to it, and then spamming the list will bring
> the speed way down, so maybe this more elaborate deception will remain
> uncommon because it's uneconomical.)
>
> Anyway, I don't intend to leave the list in members-only mode for more
> than a few days or a week.
>
> --amk
>
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--
Kevin Cole, RHCE, Linux Admin | E-mail: kjcole@gri.gallaudet.edu
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