Cisco Cisco Email Security Appliance C650 Guía Del Usuario
Chapter 3 Configuring Routing and Delivery Features
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Masquerading and altsrchost
Generally, the masquerading feature rewrites the Envelope Sender, and any
subsequent actions to be performed on the message will be “triggered” from the
masqueraded address. However, when you run the
subsequent actions to be performed on the message will be “triggered” from the
masqueraded address. However, when you run the
altscrchost
command from
the CLI, the altsrchost mappings are triggered from the original address (and not
the modified, masqueraded address).
the modified, masqueraded address).
For more information, see
.
Configuring Static Masquerading Tables
You configure the static masquerading table of mappings by using the
edit ->
masquerade
subcommand of the
listenerconfig
command. Alternatively, you
can import a file containing the mappings. See
. The subcommand creates and maintains a table that maps input
addresses, usernames, and domains to new addresses and domains. See
for more information on LDAP masquerading queries.
When messages are injected into the system, the table is consulted, and the
message is rewritten if a match in the header is found.
message is rewritten if a match in the header is found.
A domain masquerading table is constructed as follows:
Table 3-3
Masquerading Table Syntax
Left-hand Side (LHS)
Separator
Right-hand Side (RHS)
a list of one or more
usernames and/or domains to
match
usernames and/or domains to
match
whitespace (space
or tab character)
or tab character)
the rewritten username
and/or domain
and/or domain
The following table lists valid entries in the masquerading table:
Left-hand Side (LHS)
Right-hand Side (RHS)
username
username@domain
This entry specifies a username to match. Incoming email messages matching a
username on the left-hand side are matched and rewritten with the address on the
right-hand size. The right-hand side must be a full address.
username on the left-hand side are matched and rewritten with the address on the
right-hand size. The right-hand side must be a full address.
user@domain
username@domain