[Mailman-Users] Automatic deletion of posts by non-members of a list

[Christopher Adams]

On 5/26/06, Christopher Adams <adamsca at gmail.com> wrote:
>
> I agree in part. My site hosts over 500 lists and has about 100,000
> subscribers. By default, all new lists are set to Reject messages from
> "non-members" and sends them a message indicating that either their address
> has changed, they are sending from a different account, or they really
> aren't a member. Normally, I would think that simply discarding messages
> from "non-members" would be the best tactic. However, there were some
> situations with management on my own staff where a list owner subscribed an
> email address alias for someone in management. Since the alias was not the
> actual address that they were sending from, the message was discarded
> without any alert to the sender, so she assumed it was sent.
>
> On occasion, when I know there are problems with address aliases, I just
> add the non-subscribed alias as a non-member that can post, or as a
> subscriber set to 'no mail'. But, for so many lists and subscribers, there
> is the potential for problems with other lists. So, I set the default, let
> the list owners modify it if they like, and deal with the bandwidth issue
> and the fact that the system is actually making a contact with the address,
> many which are forged.
>
>
> On 5/25/06, Peter C.S. Adams <peter.adams at umb.edu> wrote:
> >
> > Thus spake Brad Knowles <brad at stop.mail-abuse.org>, circa 5/25/2006 9:54
> > AM:
> > > Generally speaking, the recommended solution is to automatically
> > > reject such messages -- which informs the sender, and allows them to
> > > take appropriate action.
> >
> > In the old days, this was certainly true, but today, when 70-80% of all
> > emails on the internet are spam, you may easily find that rejecting all
> > those messages will (a) eat up a lot of your internet bandwidth, and (b)
> >
> > exacerbate the problem by telling the "sender" of the message -- which
> > will,
> > 90% of the time, be a forged address -- that "their" mail was rejected.
> >
> > I have a handful of lists set to "reject," but most are set to discard.
> > In
> > my opinion, the poster should be subscribed to the list and set to
> > receive
> > mail; otherwise they should have no expectation that their message was
> > distributed.
> >
> >      peter
> >
> > --
> > Peter C.S. Adams
> > Director of Information and Communication Technologies
> > College of Public and Community Service, UMass Boston
> > "Be civil to all; sociable to many; familiar with few; friend to one;
> > enemy to none." -- Benjamin Franklin, Poor Richard's Almanack
> >
> >
> > ------------------------------------------------------
> > Mailman-Users mailing list
> > Mailman-Users at python.org
> > http://mail.python.org/mailman/listinfo/mailman-users
> > Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py
> > Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/
> >
> > Unsubscribe:
> > http://mail.python.org/mailman/options/mailman-users/adamsca%40gmail.com
> >
> > Security Policy:
> > http://www.python.org/cgi-bin/faqw-mm.py?req=show&amp;file=faq01.027.htp<http://www.python.org/cgi-bin/faqw-mm.py?req=show&file=faq01.027.htp>
> >
>
>
>
> --
> Christopher Adams
> adamsca at gmail.com
>



-- 
Christopher Adams
adamsca at gmail.com