Gunnar Wolf <gwolf@campus.iztacala.unam.mx> :
> spam. Is there a way I can deny them, based on username, domain and/or
> message subject, the right to post to majordomo? I thought to go the hard
> way and modify the majordomo source, but I don't know if it is the optimal
> solution...
The optimal programming solution is usually the 'least effort route' IMHO.
In your case, that means finding a tool or method which already exists...
> I would like to do this on a global basis - having a file with the
> configuration for all of my lists. Is it implemented? Should I try and do
> it?
You can deny certain subjects on a global basis, or on per list
basis. If you want to deny a certain subject on a global
basis - all lists - then you add an entry to majordomo.cf
for "global_taboo_headers". See also "global_taboo_body".
Read the FAQ, read the majordomo.cf file itself for more info on this.
There are examples annotated within the majordomo.cf file.
If you wish to do the above on a per list basis, then you
need to configure your "taboo_body" and "taboo_headers" entries.
As listed in <listname>.config file.
In most cases, if you've banned a spammer, you've banned a spammer
on a global basis - s/he has no right to post to any of your lists.
You could therefore put a domain name or mail address in the
"global_taboo_headers" in majordomo.cf.
Or, use a filter so that aforementioned spammer may not
subscribe to any list in the first place. Brent Chapman -
posted a filter called (imaginatively)
'filter' to this list on 27 December 1995, Subject line
"More forged subscription spams". Check out the archives.
I've also found 2 other filters by reading past archives :
one called 'lamer' (by Todd Wyatt) and one called 'squelch'
(by Steve Manes). There are certainly other examples .
But the examples I've cited above *work*
As an end note, may I suggest you consider this :
If you know how to identify your spammer by domain and/or mail
address, then why not deny their mail at MTA level, instead
of passing the work to Majordomo ? For example, if using
the easily configurable and quite secure qmail (www.qmail.org)
this is a matter of putting these details in a file called
(appropriately) 'badmailfrom'. Your MLM will then not
have to expend resources on processing bounces et. al.
Darren
References:
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