I’m getting the MX Record Exposes IP warning in the DNS area. How should that be fixed?
Greetings,
Thank you for asking.
From the topic title, a good article about This record exposed the IP behind can be read from below link.
Usually, no need to worry too much. When using an e-mail service, the A mail record needs to be 
cloud to make it work propperly as Cloudflare does not proxy traffic for e-mail. It is well described on the below articles.
Kindly, consider reading the second article from belove under the section “Best practices for MX records on Cloudflare → Follow these guidelines to ensure successful delivery of your mail traffic:”.
Therefrom:
Cloudflare’s default configuration only allows proxying of HTTP traffic and will break mail traffic.
Usually, the MX record should point to a hostname such as mail , and the A (or CNAME ) type record for that hostname should be set to (DNS Only).
May I suggest checking below article if your e-mail records (usually the A mail and the MX record) are configured properly while you are using Cloudflare for your domain name:
However, you could use some relay server to “hide” your real IP, but I doubt as it would end up in some of the e-mail headers (if not being removed) - which could cause possible issues to your e-mail not being delivered or marked as a junk one.
Or some solution as a proxy/relay server of JavaPipe infront of your origin (for specific/needed ports) for example:
Otherwise, I would suggest using Cloudflare Business or even Enterprise plan for SMTP including the Cloudflare Spectrum service:
Is your e-mail being hosted on the same origin host / server as your Website?
Best practices for MX records on Cloudflare:
- Use separate IP addresses for mail traffic and HTTP/HTTPS traffic. Cloudflare recommends using non-contiguous IPs from different IP ranges.
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Thanks everyone. This is more than enough information.
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