A request XML packet retrieving available types of lists includes the get-allowed-lists operation node:
<packet version="1.4.2.0">
<spamfilter>
<get-allowed-lists>
...
</get-allowed-lists>
</spamfilter>
</packet>
The get-allowed-lists node is presented by the SpamFilterGetAllowedListsInputType type (spamfilter.xsd), and its graphical representation is as follows:

spamfilter.xsd).Remarks
You can retrieve info on users specified by SpamAssassin ID, and users specified by e-mail address in a single packet. Add ID's of users specified by SpamAssassin ID to the filter node of the first get-allowed-lists operation, and e-mail addresses of users specified by e-mail address (or 'admin' string) to the filter node of the second get-allowed-lists operation.
<get-allowed-lists>
<filter>
...
</filter>
</get-allowed-lists>
<get-allowed-lists>
<filter>
...
</filter>
</get-allowed-lists>