MX records pointing to old email hosting after 5 days

We are experiencing a weird issue, 5 days ago we changed email hosting and made the MX records modifications on Cloudflare, after that we notices that we had been missing a few emails, we went and check old email server and founded the missing emails, it looks like we have a propagation issue because we are getting a few emails on the old server.

Are you assuming the MX records are now pointing back to the old email (like your subject says), or have you actually used the Cloudflare dashboard (or any other utility for checking DNS with, like MXToolbox) to confirm them?

I too have an issue where most of the email is getting rerouted to the new MX records as expected, but yet I’m getting a small number of emails (all from the same sender) still being delivered to the old email. My assumption is the sending side is using some DNS servers of their own which haven’t updated yet.

I checked using mxtoolbox and dnslookup and they are pointing to the right email domains, the issue is that a few emails are still been delivered to the old email hosting :frowning:

The only logical reason for that happening is the sender(s) of those particular email(s) are using their own DNS servers which haven’t been updated to use the new MX records yet.

In my case the old TTL was set to 1 hour, which means the DNS records everywhere should’ve updated to the new MX records by then. But it’s been a week and I’m still getting some emails (all from the same sender) going to the old email.

There’s really nothing Cloudflare can do about somebody else not updating their DNS servers per specification.

i think i m having a similar issue as this guy DNS Propagation Issues?

Greetings,

Thank you for asking.

I am sorry to hear you are experiencing an issue with receiving and/or sending e-mails while using Coudflare for your domain name.

May I ask you to share your domain name so we could check? :thinking:

Furthermore, kindly, see below suggestions and tips for troubleshooting.

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 :grey: (DNS Only).

Furthermore, if you recently moved your domain to your Cloudflare account, I could try to troubleshoot at first sight without knowing anything other as it could be related to either:

  1. Wrongly setup e-mail related DNS records at the DNS tab of Cloudflare dashboard for your domain name
  2. Possibly missing some TXT/CNAME records (for SPF, DKIM, DMARC if so?)
  3. You are using a hostname like yourdomain.com which is :orange: (proxied) rather than the unproxied :grey: (DNS-only) like mail.yourdomain.com (possible this one not existing or is :orange: instead of being :grey:) at the DNS tab of Cloudflare dashboard, in your e-mail client for sending/receiving server (MS Outlook, Mozilla Thunderbird, etc.)

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:

my domain name is medicalmex.com but its not under Cloudflare registar we are only using Cloudflare for DNS and cache.

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