More spam :-( Was Re: [Mailman-Users] Would you like to receive information on registering your pet online for free?

[alex wetmore]

On Mon, 26 Mar 2001, Dan Wilder wrote:
> There's a middle ground.
> 
> For reasons of our own, we keep some of our lists open to posts
> by non-subscribers.
> 
> A simple procmail front-end looks for "To:" or "Cc:" headers
> mentioning the list.  Since most spamware is too stupid to
> put these in, or else it is using third-party relay to 10,000
> hapless victims, so a custom "To:" or "Cc:" is out of the
> question, this excludes quite a bit of spam with one simple rule.

Mailman supports this configuration out of the box, and in fact it is
the default.  I ran with it on my lists for quite a while, but got
sick at directly targetted SPAM (one which had a valid To or Cc) going
to my lists and I made them closed.

alex