Cisco Cisco Email Security Appliance C160 Betriebsanweisung
5-51
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
OL-25136-01
Chapter 5 Configuring the Gateway to Receive Email
listener. (Note: the Domain Map feature can map messages from one domain to another. See the Domain
Map feature section of the “Configuring Routing and Domain Features” in the Cisco IronPort AsyncOS
for Email Advanced Configuration Guide.)
Map feature section of the “Configuring Routing and Domain Features” in the Cisco IronPort AsyncOS
for Email Advanced Configuration Guide.)
Note
If you have completed System Setup Wizard or the
systemsetup
command and issued the
commit
command, one public listener should already be configured on your appliance. (Refer to the settings you
entered for:
entered for:
.) The default local domains or specific addresses to accept mail
that you entered at that time were the first entries in the RAT for that public listener.
Recipient Access Table (RAT)
The Recipient Access Table defines which recipients will be accepted by the public listener. The table
specifies the address (which may be a partial address, username, domain, or hostname) and whether to
accept or reject it. You can optionally include the SMTP response to the RCPT TO command for that
recipient or bypass throttling control for specific entries.
specifies the address (which may be a partial address, username, domain, or hostname) and whether to
accept or reject it. You can optionally include the SMTP response to the RCPT TO command for that
recipient or bypass throttling control for specific entries.
RAT entries are defined by this basic syntax:
Rules
The RAT has two basic actions that it performs on recipients as they communicate in the SMTP
conversation:
conversation:
Defining Recipients
The RAT allows you to define a recipient or group of recipients. Recipients can be defined by full email
address, domain, partial domain, username, or IP address:
address, domain, partial domain, username, or IP address:
Table 5-17
Basic RAT Syntax
Recipient Definition
Rule
(Optional) Custom SMTP Response
ACCEPT
The recipient is accepted.
REJECT
The recipient is rejected.
[IPv4 address]
Specific Internet Protocol version 4 (IPv4) address of the host.
Note that the IP address must be between the “
Note that the IP address must be between the “
[]
” characters.
[IPv6 address]
Specific Internet Protocol version 6 (IPv6) address of the host.
Note that the IP address must be between the “
Note that the IP address must be between the “
[]
” characters.
division.example.com
Fully-qualified domain name.
.partialhost
Everything within the “partialhost” domain.
user@domain
Complete email address.