<div dir="ltr">Possibly relevant discussion.<br><br>"<font color="black" face="Verdana,Arial,Helvetica"><font color="black" face="Verdana,Arial,Helvetica">DKIM has no relation to envelope from. DKIM signs and protects the From: <br>
header (and others). Using envelope from for anything related to DKIM can only <br>produce false positives, eg. common forwards."</font></font><br><br><a href="http://www.gossamer-threads.com/lists/exim/users/93764">http://www.gossamer-threads.com/lists/exim/users/93764</a><br>
</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Nov 8, 2013 at 9:55 AM, Greg Troxel <span dir="ltr"><<a href="mailto:gdt@ir.bbn.com" target="_blank">gdt@ir.bbn.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
  DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;<br>
          d=<a href="http://gmail.com" target="_blank">gmail.com</a>; s=20120113;<br>
          h=mime-version:in-reply-to:references:date:message-id:subject:from:to<br>
           :cc:content-type;<br>
<br>
Your message (direct to me) had a valid DKIM signature.  It may be that<br>
DKIM signers should not include the envelope sender.<br>
<br>
I tried to take an on-list message and munge the subject back to get<br>
DKIM to pass but failed.<br>
<br>
The standard seems clear, so people can adjust their scores accordingly.<br>
<br>
<a href="http://tools.ietf.org/html/rfc6377" target="_blank">http://tools.ietf.org/html/rfc6377</a><br>
<br>
(Regardless of DKIM, I am opposed to subject munging.  It takes up space<br>
and provides no value for people with adequate mail setups.)<br>
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<br></blockquote></div><br></div>