[Mailman-Users] Non-member posting to the list

Rodrigo Abrantes Antunes rodrigoantunes at pelotas.ifsul.edu.br
Tue Nov 13 19:03:32 CET 2012

Citando Mark Sapiro <mark at msapiro.net>:
> Tanstaafl wrote:  > Maybe an alternative would be an option that for  
> every message posted to
>>    the list, a confirmation email is sent to the members email address,
>>    that they then have to click a link to 'approve' sending the message,
>>    just like how subscribes/unsubscribes have to confirmed.
>   That's an interesting idea. Personally, if I enabled that feature on
>   any of my lists, I'd be taken out and shot, and I'd want to do the
>   same to anyone who did it on any list I'm a member of, but if people
>   want such a list configuration option, we could consider it for MM 3.
>> Maybe this could even be extended with some kind of way of cahing the
>>    source IP of approved messages, so when messages come in with the same
>>    sender and from the same IP that has already been approved, those
>>    messages go straight through without requiring confirmation?
>   That would help some. Sort of like greylisting with a twist, but I
>   think it would still be unacceptable to many list members.
>   [...]  > I also just noticed the option under the Privacy > Spam  
> controls in the
>>    GUI under 'Legacy anti-spam filters' where I can enter the listname
>>    itself, to prevent anyone sending spoofed messages from the list to the
>>    list.
>   Yes, and you could also use header_filter_rules for this, but you have
>   bigger problems if the list posting address is a member of the list,
>   so ordinary non_member actions should handle this.
>   --
>   Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
>   San Francisco Bay Area, California    better use your sense - B. Dylan
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In my case, I found that the return-path header is the address of the
original sender, so how could I add a rule in mailman to deny posts with
return-path's address that are not members?

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