On Fri, 2013-08-30 at 14:25 +0100, RW wrote: > On Fri, 30 Aug 2013 10:45:23 +0100 > Martin Gregorie wrote: > > > On Thu, 2013-08-29 at 05:42 -0700, Neil Schwartzman wrote: > > > On Aug 29, 2013, at 4:40 AM, RW <rwmailli...@googlemail.com> wrote: > > > > > > > On Thu, 29 Aug 2013 00:55:29 +0200 > > > > Michael Schaap wrote: > > > > >> The "From:" header is at linkedin dot com, but the envelope > > > >> sender is a random address > > > > > > > > I'm guessing that legitimate linkedin mail has something other > > > > than a random address in its envelope sender. > > > > > > > > > no need to guess > > > > > The headers you've sent don't contain an envelope sender (the "From" > > header) or a "From:" header. > > Actually there is a Return-Path. And the OP said that there is a From. > Yes, agreed there's a Return-Path, but the message I sent, which contains the complete set of headers in the body of message I replied to, did not include an envelope "From" or a "From:" header and no Reply-to header either - this surprised me so I checked quite carefully.
> I was thinking of just the header and the envelope, but it wouldn't > hurt to add the message-id as well: > I use tests on Message-ID header to identify messages from gmail and yahoo. So far I have not had any FPs from doing this. Martin
