From a bounce I got:

    ...

    From: Mail Delivery Subsystem <mailer-daemon@googlemail.com>
    To: [me]@gmail.com
    X-Failed-Recipients: [someone else]@gmail.com
    Subject: Delivery Status Notification (Failure)
    Message-ID: <20cf30433ea07a2745049d4fe20e@google.com>
    Date: Mon, 28 Feb 2011 04:12:14 +0000
    Content-Type: text/plain; charset=ISO-8859-1

    Delivery to the following recipient failed permanently:

         [someone else]@gmail.com

    Technical details of permanent failure: 
    Account disabled

    ----- Original message -----

    ...

Not exactly the kind of thing that would make you think resending would get the message through.