The security holes in Outlook 2002 inspire to do some checking before
mails can be opened.

Outlook 2002 provides the feature to start a VBA subroutine in the Rules
Wizard. The last rule should be a rule that checks all new email and
passes it to the procedure listed below. The procedure scans the body of
the mail for suspicious words if the mail has an HTML format. If the
mail is found to be suspicious, it is 'flattened', so that is can safely
be read.
The email is also moved to a subfolder of Inbox named 'Virus', if this
folder exists.

Listing:
=======

Public Sub TestMail(opMail As MailItem)
  Dim slBody As String

  If opMail.BodyFormat <> olFormatPlain Then
    slBody = opMail.HTMLBody
    If Contains(slBody, "<object", "<script", "<vbscript", _
      "createobject", "clsid:", "<iframe", "<frame", "cid:", _
      "about:", "javascript:") Then

      'highly suspicious!
      'flatten it
      opMail.BodyFormat = olFormatPlain
      opMail.Body = "SUSPICIOUS MAIL!" & vbCrLf & vbCrLf & slBody

      'move to 'virus' folder, if this folder exists
      On Error Resume Next
      opMail.Move Application.GetNamespace("MAPI"). _
        GetDefaultFolder(olFolderInbox).Folders("virus")
    End If
  End If
End Sub

Private Function Contains(spBody, ParamArray spText() As Variant) As
Boolean
  Dim slText As Variant

  For Each slText In spText()
    If InStr(spBody, slText) Then
      Contains = True
      Exit For
    End If
  Next
End Function

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