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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <!-- maintainer-needed -->
  <use>
    <flag name="authlib">Add courier-authlib support</flag>
    <flag name="dovecot">Add dovecot authentication support</flag>
    <flag name="tools">Install maildirmake and deliverquota tools</flag>
    <flag name="trashquota">Count deleted messages as part of the maildir quota</flag>
  </use>
  <upstream>
    <remote-id type="sourceforge">courier</remote-id>
  </upstream>
</pkgmetadata>