On 10/16/2024 11:22 AM, Michael Orlitzky via mailop wrote:
The killer feature of SPF is that I can tell somebody how to set it up
over the phone. Most small businesses send mail from one or two places,
and usually, I can google the appropriate "include:" for them. Once SPF
is passing, whitelisting by domain is relatively safe.
By comparison, setting up DKIM is anywhere from hard to impossible.
1. If SPF's primary benefit is being trivial, then limit it to trivial.
Strip out everything that goes beyond a trivial scenario.
2. The benefit you cite is the usual one for the sender, but a) it
ignores issues with receivers, and b) it ignores multi-hop scenarios.
3. DKIM -- right. So difficult, almost no one uses it. And it's not as
if the rest of email operations have gotten complicated, right?
d/
--
Dave Crocker
Brandenburg InternetWorking
bbiw.net
mast:@dcrocker@mastodon.social
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