4. The more widespread SPF becomes, the more work spammers need to do. Small spam operations tend to go out of business rather quickly. The very "professional" ones all use proper SPF records.
5. SPF provides a serious block to phishing attacks. (but I don't agree with point 2. by Paul, I aggressively block SPF fails, even soft errors. If a company doesn't fix their SPF records then I reject all their mail) On Sun, 6 Dec 2020 14:03:44 +0000 Paul Waring via mailop <mailop@mailop.org> wrote: > On Sun, Dec 06, 2020 at 02:12:25PM +0100, Hans-Martin Mosner via mailop wrote: > > In your experience, where does SPF really help? What are the use cases that > > I don't see in my spam-blocker tunnel vision? _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
