Below guideline show how to discard spam mail inside your cPanel :
1. Open your email client or webmail to get the full email header
Email client
- Once get the email may check for the "Return-Path" sources may refer below guideline for view email client header.
Example below: The exact email is come from msc8286@gmail.com therefore may need to discard the email.
Webmail
2. After that, access to your cPanel by accessing the URL as https://cpanel.domainname/ or https://domainname:2083/ .
3. Click on the Email Filters icon on the main screen of your cPanel interface.
4. Click on Manage Filters from the respective email address.
5. In the Rules From and contains or any set rules you wish for to discard the spam mail.
6. Insert the spam mail Return-Path as above example the spam email header is msc8286@gmail.com,
Click Create.
For your information: **Account level filtering is the same as user level filtering, with the only difference that the filters created here are applied globally for the whole cPanel account.**