Should I be removing first received headerfor client IP
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From: Noel Jones on 25 Jun 2010 12:58 On 6/25/2010 11:29 AM, Mark Krenz wrote: > On Fri, Jun 25, 2010 at 03:28:14PM GMT, Noel Jones [njones(a)megan.vbhcs.org] said the following: >> Also note that some spam filters will add points for messages >> with no prior Received: headers, so sometimes you can't win >> either way. > > How would they know if they didn't have a Received header for the > client IP? Or do you mean if all prior Received headers were removed, > including the relay? Some sites don't like mail with no Received: headers, ie. direct-from-host mail. Most bot spam arrives this way (or has forged Received: headers added). But lots of legit mail arrives this way too, so it's not a reliable indicator of spam. -- Noel Jones |