Lähettäjä: Martin Nicholas Päiväys: Vastaanottaja: exim-users Aihe: Re: [exim] Mulitple HELOs OK?
Based on 3-days of monitoring, only "legitimate" servers have HELO'd multiple
times. And they did it right for the most part. I guess one MTA does this as
a matter of routine. Some were compromised machines sending SPAM by the look
of it.