Cybersecurity Awareness Month Tip of the Day
What are DMARC, DKIM, and SPF? Important security settings in your Domain Name Service (DNS) record that should be configured to keep phishing attackers from sending emails that appear as if they are coming from your domain. DNS is the Internet service that maps domains names, e.g., yngc.com to 45.79.103.37. If DMARC, DKIM, and SPF are set, then someone from 131.247.100.1 cannot send an email from chief@yngc.com without it being disregarded by mail servers.
Use https://mxtoolbox.com to check yours!
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