Pytanie o mail ?

Przychodzi mi codziennie taki mail co to jest czy mam jakiegoś wirusa ?
treść poniżej

 w temacie jest to:

 "ATTENTION: Bounced Message Notification, total bytes stored."
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A message was sent to you that was returned to the sender(bounced)
because it would have caused your mailbox quota to be exceeded.

The following is the reason that the message was over quota:

       Quota Type: total bytes stored
  Quota Available: 0
      Total Quota: 10240000

The following is the information on the message that was bounced:

    To fix this problem, delete some messages from your mailbox, and contact
the sender to resend the message.

If the size of the message is too big, contact the sender to reduce the
size of the message and resend the message.
Received on Fri Aug 5 12:10:18 2005