IronPort - Configuration Guide - AsyncOS 7.6.1

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Table 5-5 HAT Default Policy Parameters for Public Listeners
The following table lists the default parameters for private listeners.
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
Chapter 5 Configuring the Gateway to Receive Email
Parameters Default Value
Sender Rate Limit Error Text “Too many recipients
received from the
sender”
Exceptions None
Directory Harvest Attack Prevention OFF
Use SenderBase: ON
Group by Similarity of IP address: DISABLED
Use anti-spam scanning: ON (If anti-spam enabled)
Use anti-virus scanning: ON (If anti-virus enabled)
Allow TLS Connections: NO
Override Hostname NO
SMTP Auth OFF
Domainkey/DKIM Signing OFF
DKIM Verification OFF
SPF/SIDF Verification OFF
Envelope Sender DNS Verification OFF
Use Exception Table OFF
Table 5-6 HAT Default Policy Parameters for Private Listeners
Parameters Default Value
Maximum messages per connection: 10,000 messages
Maximum recipients per message: 100,000 recipients
Maximum message size: 100 MB (104857600 bytes)
Max. concurrent connections from a single IP 50 connections
SMTP Banner Code: 220
SMTP Banner Text: “hostname ESMTP”
SMTP Reject Banner Code: 554
SMTP Reject Banner Text: “Access Denied”
Override SMTP Banner Hostname Use Hostname from
Interface
Use SenderBase: OFF
Maximum Recipients per Hour: No default. User-defined.
Maximum Recipients per Hour Code: 452
Maximum Recipients per Hour Text: “Too many recipients
Maximum Recipients Per Time Interval: Unlimited
received this hour”
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