The mailing list for listmasters using Sympa

[Redmond Militante <address@concealed>]

Thanks, I'll look into S/MIME.

+++ Olivier Salaün - CRU <address@concealed> [06/11/03 10:02]:
> 
>    Redmond Militante wrote:
> 
> We would like to set up a list so that only certain subscribers can post to 
> it,
>  and messages are not moderated.
> 
> However we would like to make sure that the From: header of messages sent 
> to th
> is list are not spoofed, and that the email is coming from a legitimate 
> subscri
> ber.  Can Sympa's S/MIME functionality be used for this purpose?  Or is 
> there a
>  way we can  restrict posting to a list to a specific range of ip addresses?
>   
> 
>    User authentication is one of the S/MIME features that Sympa provides,
>    the other being mail encryption for groups.
>    Sympa authorization scenarios have a 'smime' authentication method you
>    can use as follows :
> 
>      is_subscriber([listname],[sender])             smime  -> do_it
>      is_subscriber([listname],[sender])             md5  -> do_it
>      is_subscriber([listname],[sender])             smtp  ->
>      request_auth
>      true()                                         smtp,md5,smime ->
>      reject
> 
>    This scenario makes use of S/MIME signed messages, or request a
>    confirmation whenever a message is not signed.
>    If I understand you right, your other goal is to restrict privilege to
>    a subset of list members. Then you need to define this population
>    somewhere, possibly within a mailing list. You could define a list of
>    privileged user in list A and then include A members in list B.
>    Scenarios of list B would provide special privileges to B members.

-- 
Redmond Militante / NSIT / The University of Chicago
PGP Public Key: <http://home.uchicago.edu/~rjm/pubkey.asc>