Use SPF, DKIM and DMARC against phishing, spam and viruses
Prevent yourself from becoming a victim on the internet. Use modern internet standards such as SPF, DKIM and DMARC to reduce phishing, spam and viruses. Watch the video of collegue Arjen Steinfort Schaap and read in our (free of charge) ebook 'Internet Schoon' how you can contribute to a safe, free and open internet. You can download the ebook on internetschoon.nu/e-book. You can also do an online test on internetschoon.nu to see how much you contribute to a clean internet.