I sent a message to *** Email address is removed for privacy *** and it was not delivered.  When I send the same message to the same address directly via my Comcast web page, the mail goes through so it is Windows Live Email that is causing the problem.  I have one other address that this happens with as well.  All other email addresses do not cause a delivery problem.  Below is the delivery status notification I receive when I email the bencyn1 address.

Received: from TomPC ([71.203.90.79])
by resomta-po-20v.sys.comcast.net with comcast
id TDWp1p00W1ijfYP01DWqUb; Sun, 14 Dec 2014 01:30:50 +0000
X-Authority-Analysis: v=2.1 cv=dK0omYpb c=1 sm=1 tr=0
 a=Qgb6mSBQVcOn3o9/pKLnPA==:117 a=Qgb6mSBQVcOn3o9/pKLnPA==:17 a=C_IRinGWAAAA:8
 a=GGcpBh7Jt_oA:10 a=r77TgQKjGQsHNAKrUKIA:9 a=9iDbn-4jx3cA:10
 a=cKsnjEOsciEA:10 a=gZbpxnkM3yUA:10 a=2-Ws8DQf6sSPlH2DdWoA:9
 a=wPNLvfGTeEIA:10 a=SYepUDsn7jgA:10 a=NTMf3bgzuGIA:10 a=bjtVeOpiktkA:10
 a=RJMw3QMvN0U4QEIO-hYA:9 a=TfYqF6kUJ3UbyYiB:21 a=_W_S_7VecoQA:10
 a=rNniEvXHf5oA:10 a=UF909vspFEgA:10 a=UBz-Jv_xNXcA:10
Message-ID: <CAD994F41B1041C7B9223336BA44667E@TomPC>
From: "Tom Johnson" <*** Email address is removed for privacy ***>
To: <*** Email address is removed for privacy ***>
Subject: Mail Check
Date: Sat, 13 Dec 2014 20:30:44 -0500
MIME-Version: 1.0
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0007_01D01713.AB7C9370"
X-Priority: 3
X-MSMail-Priority: Normal
Importance: Normal
X-Mailer: Microsoft Windows Live Mail 15.4.3555.308
X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3555.308

Why is this happening and what can I do to get your mail system to work properly?

tom Johnson