Mailbox not running--HELP

[dannylandulf]

After a system restart today, a previously fully functional install of 5.0.2 no longer is working.

 antispam                Running
        antivirus               Running
        ldap                    Running
        logger                  Running
        mailbox                 Stopped
                zmmailboxdctl is not running
        mta                     Running
        snmp                    Running
        spell                   Running
        stats                   Running

Here is my log file from zmmailboxd.out

0    INFO  [main] log - Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
Zimbra server reserving server socket port=110 bindaddr=null ssl=false
Zimbra server reserving server socket port=995 bindaddr=null ssl=true
Fatal error: exception while binding to ports
java.net.SocketException: Unbound server sockets not implemented
    at javax.net.ServerSocketFactory.createServerSocket(ServerSocketFactory.java:80)
    at com.zimbra.common.util.NetUtil.newBoundServerSocket(NetUtil.java:91)
    at com.zimbra.common.util.NetUtil.bindServerSocket(NetUtil.java:122)
    at com.zimbra.common.util.NetUtil.bindSslTcpServerSocket(NetUtil.java:51)
    at com.zimbra.common.handlers.PrivilegedHandler.openPorts(PrivilegedHandler.java:85)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.mortbay.xml.XmlConfiguration.call(XmlConfiguration.java:534)
    at org.mortbay.xml.XmlConfiguration.configure(XmlConfiguration.java:244)
    at org.mortbay.xml.XmlConfiguration.configure(XmlConfiguration.java:206)
    at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:968)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.mortbay.start.Main.invokeMain(Main.java:183)
    at org.mortbay.start.Main.start(Main.java:497)
    at org.mortbay.start.Main.main(Main.java:115)

[phoenix]

Some options to check; another mail server running; SElinux or iptables enabled; the Zimbra proxy is running.