Re: [oc] Re: Seamless Functionality

["Damjan Lampret" <lampret@opencores.org>]

Hi Andreas,

thanks for your excellent analysis. It is pretty good description of current
status. I'll ask administrator to to implement your filtering suggestions.

regards,
Damjan

----- Original Message -----
From: "Andreas Bombe" <andreas.bombe@munich.netsurf.de>
To: <cores@opencores.org>
Sent: Sunday, June 24, 2001 7:57 PM
Subject: [oc] Re: Seamless Functionality


> On Mon, Jun 18, 2001 at 05:58:58PM +0200, Damjan Lampret wrote:
> > Hello everyone,
> >
> > lately spam is becoming really a big problem.
>
> I counted over the time I am subscribed and it's 26/344 mails being spam
> (including duplicates).  I wouldn't call 7.5% a big problem, certainly
> not one that justifies extreme measures.
>
> > What we are thinking right now
> > is to change status of this list from open to closed. Meaning you can
post
> > to this mailing list only from email address that you used during
> > subscription. In most cases this is ok and it would also eliminate 95%
of
> > spam email.
>
> This of course means that only subscribers can post (the "sending from
> different account than subscribed" problem can be solved with no-mail
> subscriptions), and:
>
> 1. No one can legitimately post without subscribing first.
> 2. Discussions with a person not subscribed to the list can not be cc'ed
>    to the list.
>
> The former means that bug reports can not be sent to this list from a
> mere user of the OC stuff, unless bug reports are not to be sent to
> this list or every user is required to subscribe.  This may be less of a
> problem for this list than for other (software) lists, since most
> posters here are developing the code and there aren't many users of it
> yet.
>
>
> One important thing to keep in mind is that this list is a
> communications platform, and unless we're crippled by spam it's not a
> good idea to preemptively cripple ourselves.  The ultimate in crippling
> would be to make this list moderated, as someone in this thread
> suggested (it would be acceptable if the moderator has a response time
> of < 5 minutes, 24 hours a day).
>
> There are better, but probably more labour intensive to implement, ways
> of reducing spam.  Mostly filtering spam out based on suspicious header
> fields.  Simply dropping anything that does not have cores@opencores.org
> in either To: or Cc: (what legit reason would there be to Bcc: this
> list, anyway?) and anything without a From: line would already cut out
> about half of the spam I've seen on this list.
>
> Beyond that is the possibility to scan for typical spam subjects and
> probably public blacklists like MAPS RBL.  Really big lists like
> linux-kernel seem to work well with that policy.
>
> > I'm also thinking to change all email on the web site from
> > email@opencores.org_NOSPAM to email (at) opencores.org. This is now very
> > common on some known web sites that host mailing lists (for example GCC
web
> > site uses this trick). Should we try to do this? However this method of
> > tranforming email address might be confusing for someone who sees this
for
> > the first time.
>
> That might actually be a sensible thing to do, it's also quite common
> and people shouldn't get too confused by this.  However, I guess that a
> "_NOSPAM" appendix is too easy for automated address harvesters.
>
> --
> Andreas E. Bombe <andreas.bombe@munich.netsurf.de>    DSA key 0x04880A44
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>

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