Skip to content

KC's Blog

  • Home
  • About Me
  • Sitemap

SPF

How To Secure Domains that Do Not Send Emails

June 13, 2022January 24, 2023 Kent ChenNetwork

If you have domains that do not send emails, you still need to lock them down so no spammers can spoof these domains to send emails. All you need is to add the following two DNS records to your domain’s DNS. First, a block-all SPF txt record: v=spf1 -all And a DMARC policy that rejects all email that fails SPF. […]

Read more
  • Difference between Kubernetes and Docker with ChatGPT versions
  • How To Change the Owner of A User’s OneDrive Data
  • RE4ncJa - Deploying Microsoft Edge Extensions via Group Policy
    Deploying Microsoft Edge Extensions via Group Policy
  • Download Large VMDK Files Faster from VMware Host Faster
  • Email Stopped Working in Spiceworks HelpDesk Server

KC's Blog

  • Home
  • About Me
  • Sitemap
Powered by WordPress | Theme: Astrid by aThemes.