Chapter5 Configuring the Gateway to Receive Email
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
Connection is accepted. Receiving for any recipient is allowed and is not
constrained by the Recipient Access Table.
The mapping in the HAT is ignored, and processing of the HAT continues. If
the incoming connection matches a later entry that is not CONTINUE, that
entry is used instead. The CONTINUE rule is used to facilitate the editing of
the HAT in the Graphical User Interface (GUI). For more information, see
Adding a New Sender Group, page 5-42.
In addition to these basic access control parameters, the following parameters are
available for listeners you create. Parameters combined with an access rule
(ACCEPT or REJECT) are called mail flow policies. A mail flow policy is a way
of expressing a group of HAT parameters (access rule, followed by connection
parameters, rate limiting parameters, custom SMTP codes and responses, and
anti-spam, anti-virus, encryption, and authentication parameters).
Mail flow policies are then mapped to sender groups as entries in a listener’s
HAT Mail Flow Policy Parameters
The maximum size of a message that will be accepted
by this listener. The smallest possible maximum
message size is 1 kilobyte.
connections from a
The maximum number of concurrent connections
allowed to connect to this listener from a single IP
The maximum number of messages that can be sent
through this listener per connection from a remote host.
That maximum number of recipients per message that
will be accepted from this host.
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The SMTP code returned when a connection is
established with this listener.