A launchd plist for postfix

The plist I ended up with for postfix - a modified version of the one apple provides as:

/System/Library/LaunchDaemons/org.postfix.master.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>Label</key>
    <string>org.postfix.master</string>
    <key>OnDemand</key>
    <false/>
    <key>Program</key>
    <string>/usr/libexec/postfix/master</string>
    <key>ProgramArguments</key>
    <array>
        <string>master</string>
    </array>
    <key>QueueDirectories</key>
    <array>
        <string>/var/spool/postfix/maildrop</string>
    </array>
</dict>
</plist>

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