Hi! On Tue, Sep 23, 2008 at 3:43 PM, Chris St Denis <[EMAIL PROTECTED]> wrote: > I need to add support for (multi-recipient) aliases that are only able to > receive messages from selected users. > > I was initially looking at mailman or majordomo, however from what I > understand of them, they authenticate only on the from address so it looks > like it would be easy to forge. (Correct me if this is wrong). > > I also thought of smtpd_restriction_classes however that is also subject to > easy spoofing and the documentation even says "Postfix restriction classes > aren't really the right solution" > > > So I am wondering. What IS a good way to do this. Optimally, I would like to > restrict based on the SASL username.
As far as I know, you can actually restrict the "from address" that each username can use, I have no time to get the info right now, but it *is* in postfix's documentation. Another solution would be use mailman with a PGP patch added, and it will validate the PGP signature. I hope this helps, Ildefonso Camargo.
