Wildcard Usage

The following sections describe using wildcards to match email addresses or hostnames in lists and maps.

Matching Email Addresses

Matching Hostnames and IP Addresses

Note: Some lists, such as IP Blocking Exceptions and Trusted Relays, only accept IP addresses, not domain names.

To add items to lists, see "Editing Lists". To add items to address maps, see "Editing Maps".

Related tasks
Editing Lists
Editing Maps