On Fri, 22 Nov 2002 09:55:35 -0000, Michael Quinion <[log in to unmask]> wrote: >"They are being blocked >by our firewall since they are using a non-standard Received header. >They need to straighten their act out!" and quoted the following log >entry: > >> 11246618 11/20/02 13:04:36 smtp-proxy[31031] [164.76.102.107:63666 >> 192.168.0.29:25] (spamscreen) Found spam from 164.76.102.107 (forged >> Received: header) from [log in to unmask] It is the company/ISP that needs to 'straighten their act out'. There is nothing non-standard about that. Hmmm. that should be a Return-Path: header not a Received: header. Their own mail system must be corrupting the mails. Bad thing for a mail system to do...