Symantec 10744983 Administration Guide - Page 31

Configuring system settings 31 Configuring host (Scanner) settings Configuring Default SMTP Settings Additional SMTP settings are available from the SMTP Defaults page of the SMTP tab when you click the Advanced Settings button at the bottom of the Edit Host Configuration page. There are advanced SMTP settings for: ■ Inbound messages ■ Outbound messages ■ Delivering messages Specify the MTA host name in the MTA Configuration portion of the SMTP Defaults page. The MTA Host Name gives you the ability to define the HELO banner during the initial portion of the SMTP conversation. SMTP Defaults page-inbound settings describes inbound SMTP settings you can use to further define your SMTP configuration. Table 2-1 SMTP Defaults page-inbound settings Item Description Maximum number of connections Sets the maximum number of simultaneous inbound connections allowed. Additional attempted connections are rejected. The default is 2,000 connections. Maximum number of connections from a single IP address (Not available on Windows systems.) Sets the maximum number of simultaneous inbound connections allowed from a single IP address. Additional connections for the same IP address will be rejected. The default is 20. Maximum message size in bytes Sets the maximum size of a message before it is rejected. The default is 10,485,760 bytes. Maximum number of recipients per message Sets the maximum number of recipients for a message. The default is 1,024 recipients. Insert RECEIVED header to inbound messages Places a RECEIVED header in the message during inbound SMTP processing. Enable reverse DNS lookup Causes the system to perform reverse DNS lookup on the SMTP client IP addresses to resolve the IP address to a name when checked. This is the default condition. When unchecked, reverse DNS lookup is not performed for inbound messages. SMTP Defaults page-outbound settings describes the advanced outbound SMTP settings that you can use to further define your SMTP configuration.