gentoo-overlay/mail-filter/MailScanner/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
<maintainer>
  <email>patrick@gentoo.org</email>
  <name>Patrick Lauer</name>
</maintainer>
<use>
	<flag name='exim'>Set <pkg>mail-mta</pkg> to used MTA</flag>
	<flag name='postfix'>Set <pkg>mail-mta/postfix</pkg> to used MTA</flag>
	<flag name='spamassassin'>Enable usage of
		<pkg>mail-filter/spamassassin</pkg> for spam protection</flag>
</use>
</pkgmetadata>