Spam emails are not just annoying but they can pose a serious security threat especially if they originate from an unknown address. AOL Mail has several security features that protect users from unwanted emails and suspected spam messages. Apart from that, AOL mail users also have the option of customizing their email settings so that they can block or redirect spam email whenever they want. You can call the AOL customer support number and speak to a trained professional to know how to change the settings and block spam on your account.