{"id":3663,"date":"2025-11-10T19:10:54","date_gmt":"2025-11-10T19:10:54","guid":{"rendered":"https:\/\/emailwarmup.com\/blog\/?p=3663"},"modified":"2026-03-05T14:13:12","modified_gmt":"2026-03-05T14:13:12","slug":"microsoft-email-mx-settings","status":"publish","type":"post","link":"https:\/\/emailwarmup.com\/blog\/email-authentication\/microsoft-email-mx-settings\/","title":{"rendered":"How To Configure Microsoft Email MX Records Settings [The Right Way]"},"content":{"rendered":"\n
\"How-To-Configure-Microsoft-Email-MX-Settings\"<\/figure>\n\n\n\n

Microsoft 365 won’t receive emails until you point your domain’s MX records to Microsoft’s mail servers. This guide walks you through the exact DNS changes needed to configure your Microsoft email MX settings (whether you’re migrating from another provider or setting up email for the first time).<\/p>\n\n\n\n

Access your DNS management panel<\/h2>\n\n\n\n

You need to log in to the location where your domain’s DNS records are stored. This is typically your domain registrar (e.g., GoDaddy, Namecheap, Cloudflare) or web hosting provider.<\/p>\n\n\n\n

Find the DNS management section once you’re logged in:<\/p>\n\n\n\n

    \n
  1. Look for “DNS Management,” “Domain Settings,” or “Advanced DNS.”<\/li>\n\n\n\n
  2. cPanel users should check the Zone Editor<\/li>\n\n\n\n
  3. Namecheap users navigate to Advanced DNS > Mail Settings<\/li>\n<\/ol>\n\n\n\n

    Check your existing MX records<\/h2>\n\n\n\n

    Before making changes, see what MX records already exist for your domain. You can check using:<\/p>\n\n\n\n

      \n
    1. MX Toolbox or DNS Checker (enter your domain name)<\/li>\n\n\n\n
    2. Command line: nslookup -type=MX yourdomain.com<\/li>\n\n\n\n
    3. Microsoft 365 Admin Center under Settings > Domains<\/li>\n<\/ol>\n\n\n\n

      Write down any existing records (you’ll need to delete them next). Keeping old MX records can cause split email delivery if they have equal or mis-prioritized values \u2014 senders might route messages unpredictably between your old and new servers.<\/p>\n\n\n\n

      Delete conflicting MX records<\/h2>\n\n\n\n

      Remove all<\/em> existing MX records that point to your previous email provider. Leaving old records active means emails might land in your old inbox instead of Microsoft 365 (and you won’t see them).<\/p>\n\n\n\n

      The only exception is if you’re using a temporary MX record for domain verification. Please set it to the highest<\/em> priority (typically 0) as instructed by the Microsoft 365 wizard, then delete it immediately after verification completes.<\/p>\n\n\n\n

      Add Microsoft’s MX record values<\/h2>\n\n\n\n

      Get your unique MX record details from Microsoft 365 Admin Center (Settings > Domains > Required DNS settings). Enter these values in your DNS panel:<\/p>\n\n\n\n

      Field<\/td>Value<\/td><\/tr>
      Record Type<\/td>MX<\/td><\/tr>
      Host\/Name<\/td>@ (or leave blank)<\/td><\/tr>
      Points to<\/td>yourdomain-com<\/em>.mail.protection.outlook.com (use the exact value Microsoft provides)<\/td><\/tr>
      Priority<\/td>0<\/td><\/tr>
      TTL<\/td>3600 seconds (1 hour)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      Always copy the exact “Points to address” from Admin Center. Classic values appear as contoso-com.mail.protection.outlook.com (Microsoft is transitioning newly created accepted domains to the *.mx.microsoft format starting in July 2025).<\/p>\n\n\n\n

      Set priority to 0 (this ensures Microsoft’s server is tried first). If you’re running a spam filter before Exchange Online, your MX record should point to that filtering service instead \u2014 not directly to Microsoft.<\/p>\n\n\n\n

      Save and wait for propagation<\/h2>\n\n\n\n

      Click Save after entering the MX record details. DNS changes require time to propagate across the Internet’s global servers. Propagation timing:<\/p>\n\n\n\n