To check spam go to your web site/cpanel as shown below, using your web site's URL +/cpanel.
When a pop up menu comes up fill in your web site's user name and password. (This information was supplied
to you when your hosting account was set up.) Click OK.
Scroll down until the Email section appears. Click on Mail Accounts.
The screen below will appear. Click on Access Webmail for the account you wish to check spam.
The screen below will appear. Fill in Password. Click on Login.
Click on Horde.
Click on Login.
Click on mail
Your Emails will display. You can read, delete, forward and send Emails from the Horde Email application.
To see the spam emails click on the pull-down menu in the upper right corner of the web page and select spam (see below).