Norton AntiVirus detected a virus in a message you sent. The infected attachment was deleted.

["Administrator" <Superhero@xxxxxxxxx>]

Recipient of the infected attachment:  ZEUS2000, First Storage Group\Mailbox Store (ZEUS2000), Sales/Inbox
Subject of the message:  Yep
One or more attachments were deleted
  Attachment information.scr was Deleted for the following reasons:
    Virus W32.Netsky.C@mm was found.