List (Sieve test)
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Syntax
list [ COMPARATOR ] [ MATCH-TYPE ] [:delim <delimiters: string>] <headers: string-list> <key-list: string-list>
The list test evaluates to true if any of the headers matches any key. Each header is regarded as a list of keywords. By default, comma is assumed as a list separator. Alternative delimiter can be requested using the :delim tag, whose value is a string consisting of valid list delimiter characters.
Sample usage
require "test-list";
if list :matches :delim " ," [ "X-Spam-Keywords", "X-Spamd-Keywords" ]
[ "HTML_*", "FORGED_*" ]
{
discard;
}