On Wed, May 27, 2009 at 9:18 AM, David Favor <da...@davidfavor.com> wrote:
> I host many domains and I'd like to protect them all > against backscatter I wrote a plugin to create VERP variable envelope return path addresses for each and every message passing through my forwarding system, kept track of in a little database and expired after three weeks. Anything coming from <> that isn't to a recognized verp address hits the floor. Overkill? Doesn't require parsing possibly not-included message headers. Requires storage space to keep the VERP table, essentially one line for each message for however long you want the verp addresses to be good.
