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Disk is almost full due to /var/mailcleaner/spam/ folder

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Last Modified: 2020-02-04
Dear All,

In the past few weeks, I noticed the mailcleaner gateway was being targeted with bruteforce and spam attacks from Russia and Iran, I deployed country block plugin on my firewall and blocked entire CIDR for both Russia and Iran and kept an eye on Mailcleaner for any attacks with authentication attempts.

Since then, I noticed the mailcleaner disk has went up from 25% to 76% with the path /var/mailcleaner/spam/ and all domains included full of spam files with size up to 35 GB.

I have few questions to clean some space and prior to that also.

Are those spam files ?
Are they released or not?
Is it safe to delete them?

Thank you
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