ClamAV for Plesk Email Security cannot be installed on RedHat or AlmaLinux server: No match for argument: clamsmtp

Symptoms

• Plesk Obsidian running on RedHat 8 or AlmaLinux 9 operating systems

• ClamAV installation (via the Plesk Email Security extension) fails with an error that is similar to the following:

  CONFIG_TEXT: Execution filemng has failed with exit code 1, stdout: Updating Subscription Management repositories.
  Extra Packages for Enterprise Linux 8 - Testing 566 kB/s | 23KB 00:00
  Extra Packages for Enterprise Linux 8 - Testing 2.5 MB/s | 633KB 00:00
  No match for argument: clamsmtp
  , stderr: Error: Unable to find a match: clamsmtp

Cause

Plesk Email Security extension bug with ID EXTPLESK-3847 :

Resolution

Until the bug is resolved, apply the following workaround:

1. Connect to the server via SSH.

2. Backup the /usr/local/psa/admin/plib/modules/email-security/library/Component/Clamav.php file on your server by executing the following command:

# cp -a /usr/local/psa/admin/plib/modules/email-security/library/Component/Clamav.php{,.back}

3. Download the attached Clamav.php file to the server.

4. Replace the file /usr/local/psa/admin/plib/modules/email-security/library/Component/Clamav.php with the attached Clamav.php file by executing the following command.

# cp Clamav.php /usr/local/psa/admin/plib/modules/email-security/library/Component/Clamav.php

5. Log in to Plesk and install ClamAV under Extensions > Plesk Email Security.