IronPort - Configuration Guide - AsyncOS 7.6.1

Chapter 5 Configuring the Gateway to Receive Email
Sender Group Syntax
Sender Groups Defined by Network Owners, Domains, and IP Addresses
OL-25136-01
Table 5-7 Defining Remote Hosts in the HAT: Sender Group Syntax
Syntax Meaning
n:n:n:n:n:n:n:n IPv6 address; does not need to include leading zeroes.
n:n:n:n:n:n:n:n-
n:n:n:n:n:n:n:n
n:n:n-n:n:n:n:n:n
n.n.n.n Full (complete) IPv4 Address
n.n.n.
n.n.n
n.n.
n.n
n.
n
n.n.n.n-n
n.n.n-n.
n.n.n-n
n.n-n.
n.n-n
n-n.
n-n
Range of IPv6 addresses; does not need to include leading zeroes.
Partial IPv4 address
Range of IPv4 addresses
yourhost.example.com A fully-qualified domain name
.partialhost Everything within the partialhost domain
n/c
n.n/c
n.n.n/c
n.n.n.n/c
IPv4 CIDR address block
n:n:n:n:n:n:n:n/c IPv6 CIDR address block; does not need to include leading zeroes
SBRS[n:n]
SBRS[none]
SenderBase Reputation Score. For more information, see Sender
Groups defined by SenderBase Reputation Scores, page 5-23.
SBO:n SenderBase Network Owner Identification Number. For more
information, see Sender Groups defined by SenderBase Reputation
Scores, page 5-23.
dnslist[dnsserver.domain] DNS List query. For more information, see Sender Groups Defined
by Querying DNS Lists in the HAT, page 5-24.
ALL Special keyword that matches ALL addresses. This applies only to
the ALL sender group, and is always included (but not listed).
Cisco IronPort AsyncOS 7.6 for Email Configuration Guide
5-21