[CentOS] Was Re: USB install annoyances, is, OT, hosting providers
John R Pierce
pierce at hogranch.com
Mon Jan 9 23:14:31 UTC 2012
On 01/09/12 2:39 PM, m.roth at 5-cent.us wrote:
> I've argued before that blocks should be by source - actual source, the
> oldest "Received-From", not from the last mailer.
Those are far too easily forged, and in fact a majority of spam has
forged Recieved headers, you can only trust the one YOUR mail server
puts on or a chain from the latest back as far as you see trusted
servers. Also, by the time you've read the header, its too late to
reject the connection.
john r pierce N 37, W 122
santa cruz ca mid-left coast
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