McAfee MAP-3300-SWG - Web Security Appliance 3300, Product Manual

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Table 49 Option definitions (continued)
Option Definition
Maximum number of recipients
before a failure response is given
Prevents an excessive number of recipients. During spam or
directory-harvest attacks, the number of recipients often exceeds the
number who typically receive company-wide messages. When setting a
number here, consider that typical maximum, then add some more to
allow for possible increases. Consider changing this number if the network
is reconfigured or the typical maximum changes.
Default value is No limit.
Maximum number of recipients
before a delay is imposed
Prevents an excessive number of recipients.
Default value is No limit.
Delay period Specifies a period before connections may resume.
Default value is Not set.
Impose a lockout period Specifies a delay to prevent an immediate reconnection.
Default value is 600 seconds.
Generate non-delivery reports
for undeliverable email
Default value is Yes.
Message processing
Use this area to configure message processing options within the SMTP protocol.
Table 50 Option definitions
Option Definition
Welcome message
Specifies the text that is seen by a host when connecting to the appliance in
Explicit Proxy mode. The default message is: [appliance name and domain]
[product number] / SMTP Ready
Store and forward email if Specifies the response to messages that exceed certain limits.
Default values:
•
The message size exceeds
— No limit
•
The number of recipients exceeds
— No limit
Maximum number of MX
records used
Specifies the response to messages that use MX (mail exchange) records
excessively.
Default value is 100.
Maximum number of A records
used
Specifies the response to messages that use A (address) records excessively.
Default value is 100.
Overview of Email features
Email Configuration
76 McAfee Email and Web Security Appliances 5.6.0 Product Guide