RADAR Cost: $39 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions RADAR: RADAR (Request And Delivery Authentication Response) blocks unwanted email from reaching your inbox. Works with any POP3 email program to filter spam, junk and unsolicited email while promptly delivering valid email messages. Twelve months of spam protection, free upgrades and support are included with purchase. Annual subscriptions renewals are available for subsequent updates.