<div dir="ltr">NDRs are not supposed to have info in the From field according to RFC. That prevents emails bouncing around until the end of time. <div><br></div><div style>So, are these NDRs to real users? If not, you can use recipient verification. </div>
<div style><br></div><div style><span style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left;background-color:rgb(255,255,219)">References:</span><br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">
<br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left"><a class="" href="http://tools.ietf.org/html/rfc3834" target="_blank" rel="nofollow" style="margin:0px;padding:0px;border:0px;color:rgb(83,136,180);text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">tools.ietf.org/html/rfc3834</a><br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">
<br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left"><a class="" href="http://tools.ietf.org/html/rfc2822" target="_blank" rel="nofollow" style="margin:0px;padding:0px;border:0px;color:rgb(83,136,180);text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">tools.ietf.org/html/rfc2822</a><br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">
<br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left"><a class="" href="http://tools.ietf.org/html/rfc5321" target="_blank" rel="nofollow" style="margin:0px;padding:0px;border:0px;color:rgb(83,136,180);text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">tools.ietf.org/html/rfc5321</a><br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">
<br style="color:rgb(102,102,102);font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left"><a class="" href="http://tools.ietf.org/html/rfc6522" target="_blank" rel="nofollow" style="margin:0px;padding:0px;border:0px;color:rgb(83,136,180);text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12px;font-style:italic;line-height:15.984375px;text-align:left">tools.ietf.org/html/rfc6522</a><br>
</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Apr 15, 2013 at 3:43 PM, Raymond Norton <span dir="ltr"><<a href="mailto:admin@lctn.org" target="_blank">admin@lctn.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I am using MailScanner 4.84.5 with postfix. I have one relay domain<br>
getting hit hard by non delivery notices which are missing any info in<br>
the "From" field.<br>
<br>
Is there a rule I can add to postfix that will bounce messages like this?<br>
<span class="HOEnZb"><font color="#888888"><br>
<br>
Raymond<br>
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</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br><div dir="ltr"><div><div><br>--<br></div>Jerry Benton<br></div>Mailborder Systems<br><a href="http://www.mailborder.com" target="_blank">www.mailborder.com</a><br>
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