Esto te puede servir
Sub Mail_ActiveSheet()
Dim strDate As String
ActiveSheet.Copy
strDate = Format(Date, "dd-mm-yy") & " " & Format(Time, "h-mm-ss")
ActiveWorkbook.SaveAs "Part of " & ThisWorkbook.Name _
& " " & strDate & ".xls"
ActiveWorkbook.SendMail "
[email protected]", _
"This is the Subject line"
ActiveWorkbook.ChangeFileAccess xlReadOnly
Kill ActiveWorkbook.FullName
ActiveWorkbook.Close False
End Sub