Referencias

1.-http://www.zimbra.com/forums/spanish/48767-instalacion-zimbra-desde-cero-para-novatos.html

2.-http://www.opendiario.com/blog/view/324/instalar-servidor-de-correos-zimbra-en-ubuntu-server

3.-http://kokogeek.blogspot.com/2011/03/instalacion-y-configuracion-de-zimbra.html

4.-http://www.zimbra.com/forums/installation/16552-solved-remote-manager-port-22-issue.html