[Mailman-Users] hide list address for security ..

Adam McGreggor adam-mailman at amyl.org.uk
Sun Sep 13 15:04:52 CEST 2009

On Sun, Sep 13, 2009 at 10:37:15AM +0000, Khalil Abbas wrote:
> is there a way to hide the list's address so instead of showing : 
> from: listname-bounces at domain.com
> it shows the sender's email address only:
> From: sender at domain.com 

Sort-of. Have a look at reply_goes_to_list : although that's really
not going to help keeping replies on list (and i'm of the view that,
except for announcement lists, what goes to the list should have
replies coming back to the list).

Nor will that necessarily help people in creating new threads. I don't
think that's the right approach to your problem:

> I've been getting huge loads of spam on my lists' addresses so if u

So, why not take preventative action, in this respect? 

You may want to investigate creating an ACL to raise the threshold of 
hostility for email addresses that aren't from list-members, for
example (it's not something I do, mind: the majority of the -owner
mail for me goes into RT, where I use a queue for training my
SpamAssassins and Bayesian filters, and then out to my mailbox, for
further fine-tuned processing.). 

That (spam-detection/handling) is something to tackle at the MTA
*before* mail gets sent to Mailman. See previous list discussions on
tackling spam at the earliest stages.

Some sort of Bayesian filtering on list-owner mails, that's fed back
could be useful, too.

AIUI, some people have found 
to be useful.

> have this option please tell me how to do it otherwise please consider
> adding this feature for it will increase the list's security..

Security is *not* the same as obscurity.

``[These atrocities] -- they all happened, and they did not happen
  any the less because the Daily Telegraph has suddenly found out
  about them when it is five years too late.''
  (George Orwell, Looking Back on the Spanish War, 1942)

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