In Gmail we use:<div><br></div><div>"550 5.7.1 Unauthenticated email is not accepted from this domain."<br><br><div class="gmail_quote">On Wed, Jun 6, 2012 at 8:57 AM, Franck Martin <span dir="ltr"><<a href="mailto:fmartin@linkedin.com" target="_blank">fmartin@linkedin.com</a>></span> wrote:<br>

<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">



<div bgcolor="#FFFFFF">
<div>I'm talking about the text, what you put after the 550<br>
<br>
Toute connaissance est une réponse à une question.</div><div><div class="h5">
<div><br>
On Jun 6, 2012, at 5:51 PM, "Andrew Gretton" <<a href="mailto:Andrew.Gretton@dotmailer.com" target="_blank">Andrew.Gretton@dotmailer.com</a>> wrote:<br>
<br>
</div>
<div></div>
<blockquote type="cite">
<div>


<div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The draft spec specifies a 5XX code (which SHOULD be a 550 – this is the same behaviour as the SPF RFC):<u></u><u></u></span></p>


<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><a href="http://www.dmarc.org/draft-dmarc-base-00-01.html#sec_rejection" target="_blank">http://www.dmarc.org/draft-dmarc-base-00-01.html#sec_rejection</a><u></u><u></u></span></p>


<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Cheers,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Andrew<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p>
<div>
<div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:dmarc-discuss-bounces@blackops.org" target="_blank">dmarc-discuss-bounces@blackops.org</a> [mailto:<a href="mailto:dmarc-discuss-bounces@blackops.org" target="_blank">dmarc-discuss-bounces@blackops.org</a>]
<b>On Behalf Of </b>Franck Martin<br>
<b>Sent:</b> 06 June 2012 16:26<br>
<b>To:</b> <a href="mailto:dmarc-discuss@dmarc.org" target="_blank">dmarc-discuss@dmarc.org</a><br>
<b>Subject:</b> [dmarc-discuss] What is the DMARC reject SMTP text?<u></u><u></u></span></p>
</div>
</div>
<p class="MsoNormal"><u></u> <u></u></p>
<div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Calibri","sans-serif"">What SMTP error number and text do you use when you reject an email because of DMARC?<u></u><u></u></span></p>
</div>
</div>
</div>
</blockquote>
</div></div></div>

<br>_______________________________________________<br>
dmarc-discuss mailing list<br>
<a href="mailto:dmarc-discuss@dmarc.org">dmarc-discuss@dmarc.org</a><br>
<a href="http://www.dmarc.org/mailman/listinfo/dmarc-discuss" target="_blank">http://www.dmarc.org/mailman/listinfo/dmarc-discuss</a><br>
NOTE: Participating in this list means you agree to the DMARC Note Well terms (<a href="http://www.dmarc.org/note_well.html" target="_blank">http://www.dmarc.org/note_well.html</a>)<br>
<br></blockquote></div><br></div>