4 ms·
Agreed on everything but SPF. SPF is very simple and works really well.
by user5994461 6y ago
Agreed on everything but SPF. SPF is very simple and works really well.
- cm2187 6y agoBut it is so often misconfigured or not configured that it is not that useful. Something like a strict spf should be part the mandatory protocol so you can safely reject incoming mails who fail the rules.