On Fri, 24 Apr 2015 15:17:45 +0200 Reindl Harald <h.rei...@thelounge.net> wrote:
> > v=spf1 exists:gmail.com -all > makes no sense - the spammer don't own the domain in most cases and > if they do then they just don't add a SPF policy to use it with > infected clients Spammers often register and use throwaway domains. And check how the exists: mechanism works. Regards, Dianne.