On Fri, Jun 25, 2010 at 03:28:14PM GMT, Noel Jones [njo...@megan.vbhcs.org] said the following: > > Some misconfigured spam filters check ALL received headers > against RBLs, causing false rejects. If your customer > frequently communicates with such a host, you may need to a) > contact the postmaster at the recipient domain and explain > their error and when that doesn't work you may need to b) > remove or rewrite the header somehow -- examples are in the > list archives.
I've been suspecting this is the case as well. Its good to get another opinion on this. > 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? -- Mark Krenz IT Director Suso Technology Services, Inc.
