gentoo-overlay/mail-filter/qmail-scanner/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<herd>qmail</herd>
<use>
	<flag name='spamassassin'>Build faster <pkg>mail-filter/spamassassin</pkg>
		checks into qmail-scanner</flag>
</use>
</pkgmetadata>