At 8:24 PM -0400 2004-10-29, David Relson wrote:
Part of asking the question was to learn whether mailman has any ability to verify addresses. I wasn't aware of anything, which doesn't mean it can't be done. Along a similar vein, I'm wondering if there are ways for postfix and procmail to validate addresses.
How would it verify the address? By the time that Mailman gets the message, it's already been accepted by your MTA.
If you need application-level authentication, you could have everyone encrypt their messages to a PGP key that is registered to the list, and then have mmreencrypt turn around and re-encrypt that message to all the recipients. See <http://sourceforge.net/projects/mmreencrypt/>.
There are no verification or authentication mechanisms inherent to Mailman, beyond checking what's in the headers (e.g., "From:", "Sender:", etc...) and what's used as the envelope sender, and seeing whether that address is allowed to post (i.e., they are a subscriber, or whatever).
I guess you could set up forced moderation for all users, so that a human being has to take a manual action for each message in order to approve it. That's not a very scalable solution, however.
So far as I know, that's about it.
-- Brad Knowles, <[EMAIL PROTECTED]>
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety."
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