On Fri, 21 Oct 2016 03:48:41 -0700 (MST) simplerezo wrote: > > it also helps frequent spammers known to spam to prevent false > > negative. > > Absolutely. > > > very unknown users can't by definition hit AWL. > > That's why my wanted rule is score(AWL) > -1 : all users that have > not yet send enough not-spam mails can not, for example, send me > invoices as zip attachment (yes, there is some big company that are > actually sending invoice that way...).
Spam that hits AWL can have a negative AWL score too. It may be that more ham than spam hits AWL, but you can't infer anything from the rule's score. > I'm not a huge-fan of whitelist, because: > - contrary of AWL (address + IP), it only rely on sending > address... and as everyone knows, that's definitely not something > very trustable ; It's actually the other way around. There are whitelists based on dkim and spf which are very hard to beat. AWL uses the first IP address which can be forged. A lot of people switched to the TxRep plugin for that reason.