How to block spoofing messages

Email spoofing is a technique in which an attacker falsifies the sender’s email address to make a message appear as if it comes from a trusted source. It is commonly used in phishing or fraud attacks to mislead the recipient.

A solution for blocking this type of email is to blacklist your own domain in Spam Filters.

1. Access your cPanel account by following the steps in this tutorial: How to access my cPanel account

2. From the Email section, click on Spam Filters;

   

3. Click on Show Additional Configurations and then on Edit Spam Blacklist Settings;

   

   

4. Enter your domain in the field and click "Update Blacklist (blacklist_from)".

   

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