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cPanel – Invalid License File Error...

If when trying to access the cPanel it gives the Invalid License File error message, do the following: Changing your servers hostname will invalidate your cPanel license. You can solve this issue with following command. # /usr/local/cpanel/cpkeyclt Updating Internal cPanel Information.....Done # ~mohammed
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cPanel: Upgrade perl module to 5.8.8...

To upgrade your cPanel perl module to version 5.8.8, do the following: 1. root]# wget http://layer1.cpanel.net/perl588installer.tar.gz 2. root]# tar -zxf perl588installer.tar.gz 3. root]# cd perl588installer 4. root]# ./install
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How to change Your Server's Hostname and Reta...

Changing your servers hostname will invalidate your cPanel license. If you want to change server hostname and need to access WHM/cPanel, then do the following: 1. SSH to the server (as the root user) and change the hostname. 2. Then run the command /usr/local/cpanel/cpkeyclt. This will update the license file with your current hostname, and push the change to cPanel’s license verification servers auth.cpanel.net...
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Plesk Error Massage 553 "Message did not Reac...

Use this article to repair the following error message: “Your message did not reach some or all of the intended recipients. 553 sorry, that domain isn’t in my list of allowed rcpthosts” 1. Log in as admin to the Plesk control panel. 2. In the server administration (click “Server” in the menu), click “Mail”. 3. Select the tab “Maximum letter size and relay mode parameters”. 4....
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My Plesk Control Panel is Showing a Blank Page. Ho...

If you see empty page in Plesk control panel instead of a page with content, it means that an error occurred. By default Plesk does not show PHP errors for security reasons. To enable PHP error reporting, you can edit $PRODUCT_ROOT_D/admin/conf/php.ini and set display_errors = On, then restart Plesk. This should resolve the issue and help you locate the error.
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How to Enable MAPS SPAM Protection in Plesk...

To enable MAPS SPAM protection in Plesk, begin by selecting the server you wish to manage, then “Mail”, then “MAPS Zone”. The 5 major SPAM protection lists are listed below with a general description. Users can define which lists they would like to use: 1. Spamhaus block list (SBL) sbl.spamhaus.org: A free real-time DNS-based database of IP addresses of verified SPAMmers, SPAM gangs and SPAM services. 2....
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Plesk for Windows Webmail Error: Webmail Cannot be...

If you are getting an error that says “File cannot be found” or if you are receiving a 404 error when you try to go to webmail.mydomain.com, this is due to the fact that default mapping application extensions do not include php support.To solve this, do the following: 1. Go to “Start” – > “Administrative Tools” -> “Internet Information Services (IIS) Manager” 2....
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Receiving the "Access Denied" Error and ...

If when trying to login to Plesk as an admin user, a popup says “Access Denied”, enter the following commands: mysql -u admin -p`cat /etc/psa/.psa.shadow` use psa; delete from lockout where login = ‘admin’; NOTE: Plesk has an built-in security feature with account logins (basically only 3 login attempts are allowed). That is, if you get your password or username wrong 3 times, the server will lock...
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How to Change the Plesk Outgoing Mail Port...

Follow the steps below if you want to change the outgoing mail port for Plesk: 1. Create a copy of smtp_psa by entering: 1. # cp /etc/xinetd.d/smtp_psa /etc/xinetd.d/smtp_nonstandard 2. Add these lines to the copy you just made: 1. type = UNLISTED port = 2525 < Port to which smtp service should bind > and change the service name to match the name of the file. 3. Restart xinetd: # /etc/init.d/xinetd restart You should...
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How to Change the Web Server Engine Used by Plesk ...

You can switch the web server engine used by Plesk with Plesk Reconfigurator. You can choose either Apache and Internet Information Server (IIS). NOTE: Changing web server engines can have drastic effects on the performance and stability of your Plesk server. Switch to another web server engine only if you are sure what you are doing. To switch Plesk to the Apache web server engine: Run the following command in the %plesk_dir%\admin\bin\...
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