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How can I ensure that the email functionality in cPanel continues to work while hosting the website on Webflow with new A DNS records?

TL;DR
  • Update only the A records to Webflow's IPs (75.2.70.75 and 99.83.190.102)
  • Retain all existing MX, SPF, DKIM, and other mail-related DNS records to keep cPanel email functional

To ensure that email hosted on cPanel remains functional while pointing your website to Webflow, you must only update A records and retain the original MX records for email.

1. Use Only Webflow’s Required A Records

  • Webflow hosting requires two A records to be set up for your root domain (example.com):
  • (a) 75.2.70.75
  • (b) 99.83.190.102
  • Do not modify MX records or other email-related DNS records when adding these A records.

2. Keep Your Existing MX Records Intact

  • Go into your DNS editor (usually via your domain registrar or DNS host).
  • Ensure your MX records point to your cPanel mail server, like:
  • mail.yourdomain.com
  • Or a specific server like mail123.yourhostingprovider.com
  • Do not delete, replace, or overwrite these MX records when adding Webflow A records.

3. Verify Other Essential Email DNS Records

  • In addition to MX records, cPanel email often relies on:
  • SPF (TXT) Record – e.g., v=spf1 +a +mx include:yourhost.com ~all
  • DKIM (TXT) Record – if email authentication is enabled in cPanel
  • DMARC Record – optional but recommended for deliverability
  • Double-check that those records remain unchanged after pointing your site to Webflow.

4. Add a CNAME for the "mail" Subdomain

  • If your MX records use mail.yourdomain.com, you might need a supporting DNS entry:
  • Add a CNAME: mail.yourdomain.com → your cPanel server hostname
  • Alternatively, use an A record if your mail server uses a static IP.

5. Test After DNS Propagation

  • Use tools like MXToolbox or send test emails to confirm:
  • Inbound and outbound email functions correctly.
  • SPF, DKIM, and DMARC are passing, if configured.

Summary

To keep cPanel email working while hosting your website on Webflow, update only the A records to Webflow’s IPs and retain all MX, SPF, DKIM, and mail-related DNS records as they are. This ensures your website points to Webflow, but email remains routed through cPanel without disruption.

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