Mail Exchanger (MX) record must be pointed to the mail filtering service so that all incoming mails are filtered before being delivered to the actual mail server.
If you are managing your DNS zones from your end, the MX records must be added into the current DNS zones.
Below are the steps to point your mail service to the spam filter.
1. Login to your DNS zone management.
2. Record the existing MX records in a notepad or screenshot the setting.
3. Access your DNS zone in your current DNS provider.
4. Delete the existing MX records in your DNS zone.
5. Add the following MX records to your DNS zone.
* Please replace "yourdomainname.com" with your actual domain name.
[MX 1]
Name: yourdomainname.com
Priority: 10
Destination: mx.spamexperts.com
[MX 2]
Name: yourdomainname.com
Priority: 20
Destination: fallbackmx.spamexperts.eu
[MX 3]
Name: yourdomainname.com
Priority: 30
Destination: lastmx.spamexperts.net
* Please ensure to set the email routing to "Local Mail Exchanger" if the DNS zone is managed in cPanel.
6. Login to spam filtering service.
7. Go to "Incoming" > "Destination".
8. Click on Add a destination link.
9. Add the original MX records based on the followings.
Priority: [FOLLOW VALUE IN DNS ZONE]
Host: [USE PREVIOUS MAIL SERVER DESTINATION]
Port: 25
10. Click Save to save the changes.