On Thu, 24 Sep 2015 12:21:33 +0000 David Jones wrote: > ________________________________________ > >From: Reindl Harald <h.rei...@thelounge.net>
> >do what you want - a empty envelope from is not a sign of spam > > I agree with Reindl. You can't block null senders or you break a lot > of legit emails. You're agreeing with his response to a conclusion he jumped to. The OP never said he wanted to block it, or even score it unconditionally. > There are tools out there to prevent backscatter so you can detect > fake messages with a null sender. It's not about backscatter, a lot of spam has no envelope sender address. The main problem with trying to score it is not avoiding FPs on legitimate DSNs and out-of-office replies, it's that a lot of legitimate bulk and autogenerated email has no envelope sender address.
