Norton AntiVirus 1.0 for Internet Email Gateways provides everything you need to protect your SMTP gateways. Here's one more way Norton protects every part of your enterprise computing environment from every kind of virus threat: Norton AntiVirus for Internet Email Gateways works at your SMTP gateway, automatically intercepting and destroying incoming and outgoing viruses hidden in email attachments before they cause damage and spread.??Norton AntiVirus for Internet Email Gateways detects viruses in the most popular encoding formats. Virus scans, removal, and quarantines can be managed from any location using a Web browser. And there's practically no impact on network or firewall performance. Viruses don't stand a chance, coming or going.