More context and point to troubleshooting from email-records intro

Author: RebeccaTamachiro

src/content/docs/dns/manage-dns-records/how-to/email-records.mdx

@@ -14,6 +14,8 @@ There are three reasons to set up email records for your domain:
 * To make sure your domain can [send and receive email](#send-and-receive-email).
 * To prevent other email senders from [spoofing your domain](#prevent-domain-spoofing).
 
+The exact values for your DNS mail records depend on your email provider. If you have issues, review the [Troubleshooting](/dns/troubleshooting/email-issues/) and contact your email service provider to confirm your DNS records are correct.
+
 ***
 
 <Render file="add-mx-records" product="dns" />