On Sun, Apr 20, 2003 at 08:07:14PM -0400, Simon Law wrote: > On Mon, Apr 21, 2003 at 12:46:03AM +0200, Marco d'Itri wrote: > > On Apr 20, Jarno Elonen <[EMAIL PROTECTED]> wrote: > > > How about keeping a whitelist database in which the users can add > > > themselves by sending a mail in certain format to something like > > > "[EMAIL PROTECTED]"? Only after that would mail from that > > > address be accepted without bouncing. That should filter out most of > > > the spam. > > > > This is what I'm doing for the linux.debian.* Usenet gateway and so > > far it has worked well. > > How about ensuring that all addresses on the Debian keyring are > whitelisted by default?
As well as all gpg signed mail? regards, guillem