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To install one of my applications, I was told by a vendor to uninstall the POP3/SMTP option in Symantec Antivirus. &nbsp;What does POP3/SMTP used for? Is it something useful that I shouldn't uninstall?
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To install one of my applications, I was told by a vendor to uninstall the POP3/SMTP option in Symantec Antivirus.  What does POP3/SMTP used for? Is it something useful that I shouldn't uninstall?

Symantec Antivirus POP3/SMTP option

System Utilities are a type of system software used to support the computer infrastructure, distinguishing it from application software which is aimed at directly performing tasks that benefit ordinary users. Commonly used utilities include password managers, disk managers, system monitors, data synchronization tools, security and antivirus software and editors.