Re: [Ipsec] spam

[Yoav Nir <ynir@checkpoint.com>]

Lots of the virii we get appear to come from uri at lucent dot com, who 
I know is a legitimate subscriber because he posts real messages.  I 
don't know about hugh at toad dot com, but that's only because he 
doesn't post.  He might very well be a legitimate lurker.

On Jun 7, 2004, at 7:10 AM, Perry E. Metzger wrote:

>
> Yoav Nir <ynir@netvision.net.il> writes:
>> Anyway, as has been pointed out before, the letters mostly seem to
>> originate from legitimate subscribers.  The emails and names can
>> easily be harvested from web archives and other methods.  Since SMTP
>> is basically insecure, anyone can pretend to be a list member and send
>> this stuff to the list.
>
> However, those of us who run mailing lists find that although anyone
> "can" forge a list member's address, it is almost unheard of that it
> actually happens. Restricting my lists to subscribers only has
> eliminated 100% of the spam going to them.
>
> As for the problem of people who would like to post from an address
> other than the one they subscribe from, as I've noted, mailman, which
> is already used to manage this list, can handle that trivially, so this
> isn't a problem, either.
>
> I'm a subscriber to several hundred mailing lists (yes, really) and
> all but a handful of them restrict posting to subscribers.
>
> Perry
>
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