I only use spf and seemingly they go through. I never send unsolicited mails though for years. In any case i always ask people to check their spam. It is very

I only use spf and seemingly they go through. I never send unsolicited mails though for years. In any case i always ask people to check their spam. It is very irritating of course that professional spammers (i.e. mailchimp) always jump the line