Sub CDO_Mail_Small_Text()
    Dim iMsg As Object
    Dim iConf As Object
    Dim strbody As String
    Dim Flds As Variant

    Set iMsg = CreateObject("CDO.Message")
    Set iConf = CreateObject("CDO.Configuration")

        iConf.Load -1    ' CDO Source Defaults
        Set Flds = iConf.Fields
        With Flds
            .Item("http://schemas.microsoft.com/cdo/configuration/sendusing") = 2
            .Item("http://schemas.microsoft.com/cdo/configuration/smtpserver") = "smtp.office365.com"
            .Item("http://schemas.microsoft.com/cdo/configuration/smtpserverport") = 587
            .Update
        End With

    strbody = "Hi there" & vbNewLine & vbNewLine & _
        "This is line 1" & vbNewLine & _
        "This is line 2" & vbNewLine & _
        "This is line 3" & vbNewLine & _
        "This is line 4"

    With iMsg
        Set .Configuration = iConf
        .To = "ron@debruin.nl"
        .CC = ""
        .BCC = ""
        .From = """Ron"" <ron@something.nl>"
        .Subject = "Important message"
        .TextBody = strbody
        .Send
    End With

    Set iMsg = Nothing
    Set iConf = Nothing
    Set Flds = Nothing
End Sub