Parallels

Symptoms

The following warning could appear on Spamassassin White list page -Plesk , Domains, domain.tld, Mail, mailbox@domain.tld,  Spam filter, White List tab:

Warning: Invalid argument supplied for foreach() in C:\Program

Files\SWsoft\Plesk\admin\plib\class.SpamAssassin.php on line 1357

Resolution

Please download the following file

http://download1.swsoft.com/Plesk/Autoupdate/Windows/8.3.0/129817/class.SpamAssassin.php

and place it to %plesk_dir%/admin/plib

Note: Please see how to install Plesk hotfixes properly.

Additional information

%plesk_dir% is environment variable which points to Plesk installation folder. By default it is C:\Program Files\SWsoft\Plesk

%plesk_bin% is environment variable which points to Plesk binaries folder. By default it is C:\Program Files\SWsoft\Plesk\admin\bin