Netgear STM150 ProSecure Web and Email Threat Management Appliance Reference Manual

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Chapter 4.  Content Filtering and Optimizing Scans  
ProSecure Web/Email Security Threat Management (STM) Appliance
2. 
Select the check boxes and complete the fields and as explained in the following table:
Note:  
If a protocol uses a port other than the standard service port (for 
example, port 25 for SMTP), enter this nonstandard port in the Ports 
to Scan field. For example, if the SMTP service on your network 
uses both port 25 and port 2525, enter both port numbers in the 
Ports to Scan field and separate them by a comma.
Note:  
The following protocols are not supported by the STM: SMTP over 
SSL using port number 465, POP3 over SSL using port number 995, 
and IMAP over SSL using port number 993.
3. 
Click Apply to save your settings.
Customizing Email Anti-Virus Settings
If you have used the Setup Wizard, you might have already configured the email antivirus 
action and exception settings; the Action and Exception screens allows you to modify these 
settings. The Notification screen allows you to specify the email antivirus notification settings.
Whether or not the STM detects an email virus, you can configure it to take a variety of 
actions (some of the default actions are listed in 
sizes, and specify which notifications, emails, or both need to be sent to the end users.
Table 25.  Email Policy Settings 
Setting
Description
Services to Scan
SMTP
Select the SMTP check box to enable Simple Mail Transfer Protocol (SMTP) scanning. This 
service is enabled by default and uses default port 25.
POP3
Select the POP3 check box to enable Post Office Protocol 3 (POP3). This service is enabled 
by default and uses default port 110.
IMAP
Select the IMAP check box to enable Internet Message Access Protocol (IMAP). This 
service is enabled by default and uses default port 143.