Brian
Norton automatically configures your email program for protection against viruses and other security threats. You can configure Email Antivirus Scan to scan all incoming email messages and outgoing email messages. ... This feature does not work if your SMTP or POP3 email port is an SSL-encrypted email port.
From the Norton help file "...
Martin
<p>Brian</p><p><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">Norton</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;automatically configures your&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">email</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;program for&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">protection</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;against viruses and other&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">security</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;threats. You can configure&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">Email Antivirus</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;Scan to scan all incoming&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">email</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;messages and outgoing&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">email</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;messages. ... This feature&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">does</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;not work if your SMTP or POP3&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">email</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;port is an SSL-encrypted&nbsp;</span><b style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">email</b><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;">&nbsp;port.</span></p><p><span style="color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;"></span>&nbsp; &nbsp;From the Norton help file&nbsp; "...</p><p>Martin</p>