How to Create E-Mail Account in Cpanel:
You can create your Email using Email Accounts options in Cpanel, you can configure with outlook or Mozilla thunderbird
Can directly access you mails by www.domainname .com/webmail and enter the user name and password
Send a copy of all mail from one email address to another.
Send a message back automatically to anyone who sends an email to a certain account.
How to Create FTP Account:
You can create the FTP Account to upload files using ftp client, in host enter your domain name, Enter the user name, Password which you have created in Cpanel, default port number is 21
How to Create a Sub Domain in Cpanel:
Rather than registering a new domain name, you can always create sub domain using the domain you already own. A sub domain is a second website, with its own unique content, but there is no new domain name. Instead, you use an existing domain name and change the www to another name. The sub domain name looks like forums. domainname.com, help. domainname.com, help2. domainname.com (assuming you already host domainname.com).
How to create and manage MySQL Database:
A guide to creating and modifying MySQL databases in cPanel.
How to create a back up of your website:
Download (to your computer) a zipped copy of either your entire site (your home directory, databases, email forwarders configuration, email filters configuration) or one of the previously mentioned parts of your site.
How to create shortcuts of web mail access and Cpanel:
Easily access your cPanel by adding cPanel shortcuts to your desktop or browser's bookmarks toolbar.
Password Protect Directories:
Learn how to limit access to a certain part of your site by requiring a user name and password to access a folder or folders from the web.
Prevents other websites from directly linking to files on your website.
Please visit the below link for more details: http://www.cpanel.net/products/cpanelwhm/cpanel11/tutorials.html#mail