WHM CP AC E-mail Archive Spam Filter not Working

As a Web Hosting Provider, I would like to be able to use the built-in tools in WHM to allow hosting providers to block spam from entering into the client’s cPanel to save disk space.

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In Client CP Email Archive used for monitoring tool, but the spam mail filer not working at archive except CP mail account.

The big reason archive filtering and discard spam, spam consumed disk space daily bases (30 to 50 spam mail comes).

There is manually method (ssh command) we used but if client CP account he's does not know about it.

So i request please let us this features so that we blocked spam into cleint CP, if they used email archive services.

The archive services is very intelligent and beneficial for client's.

So i request support us to block spam from client CP, so that client also save there disk space.

Regards

Kashif