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MX records (short for mail exchanger records) are DNS (Domain Name System) resources that specify a server that will be handling your email for your domain. When working with the default settings, you will likely never need to adjust your MX records settings on your server. Some people have an external DNS manager that has the domain name looking here, but the MX records pointing elsewhere. This is perfect for the vast majority of instances.

However, if someone from the very same server sends an email to this domain, there can be an issue if the MX records are not set to Remote, despite the fact the mail is not even handled here. The servers always check themselves first and if it sees a domain name here, will attempt an email delivery if the MX record is not set to look remotely. Everyone that has an external DNS and MX setup will need to perform this to prevent this occurence. To learn how to do this in your cPanel, simply follow these instructions.

How to Set MX Records to Remote Settings in cPanel.

  1. Log into your cpanel account.
  2. Find the Email category and click on the MX Entry icon.
  3. From the next screen, use the dropdown near the top to select the domain name you want to work with if it is not already displayed.
  4. Next, look under the Email Routing section and click on the radio button labeled Remote Mail Exchanger
  5. Click on the Change button to save the settings.

Please check the next article on Creating user level filtering in cPanel. If you missed our previous article, please see the SpamAssassin: Fighting Spam tutorial. For more information on this course please visit Using Email.

Continued Education in Course 201: Using Email
You are viewing Section 7: Setting Domain MX Records to Remote Settings in cPanel
Section 6: SpamAssassin: Fighting Spam
Section 8: Creating user level filtering in cPanel
n/a Points
2017-03-08 2:18 pm

1- When I set MX to be "Local Mail Exchanger", then while I'm send a message I get this error: "his message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of itsrecipients. This is a permanent error. The following address(es) failed:


Domain has exceeded the max emails per hour (2/1 (200%)) allowed.  Message discarded.

Reporting-MTA: dns; failedFinal-Recipient: rfc822;

Status: 5.0.0"


2- When I set MX to be "remote mail exchanger", the senders can't message me andthey gets this something like this error: "The response from the remote server was:  550 Please turn on SMTP Authentication in your mail client. []:32866 is not permitted to relay through this server without authentication

Final-Recipient: rfc822; <my email account address>Action: failedStatus: 5.0.0Remote-MTA: dns; (, the server for the domain smtp; 550-Please turn on SMTP Authentication in your mail client. []:32866 is not permitted to relay 550 through this server without authentication.Last-Attempt-Date: Wed, 08 Mar 2017 10:07:03 -0800 (PST)

39,923 Points
2017-03-09 8:49 am
Hello Amr,

The error that you're seeing should explain the issue: Domain has exceeded the max emails per hour (2/1 (200%)) allowed. Message discarded.

There is a limit on the number of emails that can be sent per hour. If you exceed it then the mail service will not permit you to send/receive email until the hour is up. If you need to increase the limit, you have a form that you can use within the Account Management Panel (AMP).

If you have any further questions, please let us know.

Kindest regards,
Arnel C.
n/a Points
2017-10-09 4:34 am

Please help me on this ! 

The response from the remote server was:

550 5.1.1 <>: Recipient address rejected: User unknown in virtual alias table Please see for explanation of the problem.

Final-Recipient: rfc822; durgesh@udhaarsudhaar.inAction: failedStatus: 5.1.1Remote-MTA: dns; (, the server for the domain smtp; 550-5.1.1 <>: Recipient address rejected: User unknown in virtual alias table 550 5.1.1 Please see for explanation of the problem.Last-Attempt-Date: Mon, 09 Oct 2017 00:04:35 -0700 (PDT)

9,669 Points
2017-10-09 9:31 am
We'll be happy to investigate. I recommend sending a copy of this non-delivery report to our Live Support team. They can analyze it and provide you with information about the possible cause.

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